1、1000千克青菜，早晨测得它的含水率为 600)makesmallpic(this,600,1800);\' id=\"aimg_w8Ged\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xgk5fnhrzfu.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，这些菜到了下午测得含水率为 600)makesmallpic(this,600,1800);\' id=\"aimg_nw06Y\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ntrbmymnfg1.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，那么这些菜的重量减少了_____千克。
A: 200B: 300C: 400D: 500

2、(2006江苏，第16题)把浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_kkVGg\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xymulv3ocja.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />、600)makesmallpic(this,600,1800);\' id=\"aimg_L6nVy\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lmwmuziyvbi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />和600)makesmallpic(this,600,1800);\' id=\"aimg_JGCHG\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/zbbapxpl4lv.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的某溶液混合在一起，得到浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_baVMz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/wuh3ajy0v3f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液50升。已知浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_z8IPS\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lmwmuziyvbi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液用量是浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_SIF95\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xymulv3ocja.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液用量的3倍，浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_U17Od\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lmwmuziyvbi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液的用量是多少升?_____
A: 36B: 38C: 44D: 46

3、有浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_bi909\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/qmijntaxln5.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水若干克，蒸发了一些水分后浓度变成 600)makesmallpic(this,600,1800);\' id=\"aimg_xeRdz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/a2ea0yqhilf.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，再加入300克 600)makesmallpic(this,600,1800);\' id=\"aimg_Q0G93\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/gcghsr4txkq.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水后.浓度变为 600)makesmallpic(this,600,1800);\' id=\"aimg_cZ5X2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ofm1hsif2he.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水，问最初的盐水多少克?_____
A: 200B: 300C: 400D: 500

4、在一杯清水中放入10克盐，然后再加入浓度为600)makesmallpic(this,600,1800);\' id=\"aimg_t3CVC\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/jwdi0i1z1se.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水200克，这时配成了浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_dt7Qz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/wtvtdkp1lqi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水，问原来杯中有清水多少克?_____
A: 460克B: 490克C: 570克D: 590克

5、(2008北京)甲杯中有浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_AnRXY\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kqkbje3vujt.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液400克，乙杯中有浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_U0Z1Y\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/gjmd15dq10t.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液600克。现在从甲、乙两杯中取出相同总量的溶液，把从甲杯中取出的倒人乙杯中，把从乙杯中取出的倒人甲杯中，使甲、乙两杯溶液的浓度相同。现在两杯溶液的浓度是_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_CGPn5\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/oje0o2zwgpg.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_W5FeF\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lwfjqsirpwp.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_K5W6i\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ays2epndb3a.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_jGaAa\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/krynxe5gjve.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

6、甲容器中有 600)makesmallpic(this,600,1800);\' id=\"aimg_OuV5V\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lyfcfsapbnm.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的食盐水300克，乙容器中有 600)makesmallpic(this,600,1800);\' id=\"aimg_CrVFp\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/pvigv0nz5l1.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的食盐水120克，往甲、乙两个容器分别倒入等量的水，使两个容器的食盐水浓度一样，问倒入多少克水?_____
A: 300B: 210C: 180D: 150

7、现有浓度为600)makesmallpic(this,600,1800);\' id=\"aimg_WLJQV\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/r31o1x2e4ch.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水20千克，再加入多少千克浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_p2YV0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/cz1f4aiy1ry.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水，可以得到浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_B6el0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/mowcx5hqv34.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水?_____
A: 26B: 28C: 30D: 31

8、(江苏2007A类，第14题)杯中原有浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_Q00Oi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vw1lt0qxead.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水溶液100ml，重复以下操作2次，加入100ml水，充分配合后，倒出100ml溶液，问杯中盐水溶液的浓度变成了多少?_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_fG5tb\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5cna0f1vd1f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_v308G\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kejbvzroqa0.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_JUwkm\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/wm5pn1bn1cg.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_Y84u7\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kv5pjiqfbut.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

9、(2009国家，第113题)一种溶液，蒸发一定水后，浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_cKWEg\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/03mtzkhidnb.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;再蒸发同样的水，浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_ckoI9\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/0odcun1zp1w.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;第三次蒸发同样多的水后，浓度变为多少?_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_MTTkO\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/cgn2z4p1rpj.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_zGGGZ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/o5mqnvinkya.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_Pb0uX\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vcbmu24nnz2.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_OKl4w\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ngh4s2swc1w.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

10、现有一个无限容积的空杯子，先加人1克酒精，再加入2克水，再加入3克酒精，再加人4克水，……，如此下去，问最终杯子中酒精溶液浓度为多少?_____ B: 600)makesmallpic(this,600,1800);\' id=\"aimg_bB5e2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/u0mucbtspau.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_BVV1V\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/wdivudgsh01.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_RK3ap\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/klkjmmsisi3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

11、一只猫每天吃由食品 600)makesmallpic(this,600,1800);\' id=\"aimg_jgf41\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/rogdyu2xsyi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />和食品 600)makesmallpic(this,600,1800);\' id=\"aimg_K7Ivw\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/clymdypeakh.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />搅拌成的食物 600)makesmallpic(this,600,1800);\' id=\"aimg_itTXF\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/w2ctq1sqhtv.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />克，食品 600)makesmallpic(this,600,1800);\' id=\"aimg_SLd2W\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/4llapxwg2fg.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的蛋白质含量为 600)makesmallpic(this,600,1800);\' id=\"aimg_gWN6N\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/qzv5foarhpq.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，食品 600)makesmallpic(this,600,1800);\' id=\"aimg_j7GY8\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/clymdypeakh.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的蛋白质含量为 600)makesmallpic(this,600,1800);\' id=\"aimg_FWEFe\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/qvqh1nfuv11.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。如果该猫每天需要 600)makesmallpic(this,600,1800);\' id=\"aimg_f3war\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/rzxt4qylvsv.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />克蛋白质，问食物中食品 600)makesmallpic(this,600,1800);\' id=\"aimg_W17g4\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/rogdyu2xsyi.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的比重是百分之几?_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_OHsk4\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/u5y1r1vuspe.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_GO2kO\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5wbrkvmy5cj.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_hdEk9\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/04ccrmq4rza.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_aD11b\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5gpmibwv53d.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

12、一杯含盐 600)makesmallpic(this,600,1800);\' id=\"aimg_Q9cZX\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/fkrojhx4jhz.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水 600)makesmallpic(this,600,1800);\' id=\"aimg_XS944\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/aeby5ogzg2r.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />克,要使盐水含盐 600)makesmallpic(this,600,1800);\' id=\"aimg_cdHJZ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/3u2jxyfztgp.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />,应该加盐多少克?_____
A: 12.5B: 10C: 5.5D: 5

13、在浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_LZh9W\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/fw51e3jyd3a.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的酒精中加入10千克水，浓度变为 600)makesmallpic(this,600,1800);\' id=\"aimg_Po8OS\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/dgalj11fgle.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，再加入L千克纯酒精，浓度变为 600)makesmallpic(this,600,1800);\' id=\"aimg_czIFi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kmyo1jzt1gr.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，则L为多少千克?_____
A: 8B: 11.7C: 14.6D: 16.4

14、(2003广东，第9题)从装满100克浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_Ccbfd\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vzlrsx3jdhx.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的盐水杯中倒出40克盐水倒人清水将杯倒满，这样反复三次后，杯中盐水的浓度是_____。
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_ysUuM\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lba5lt1t5d5.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_fglvb\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/13c5kbend1w.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_TfArR\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kpmvyqvjhva.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_lUk6P\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/lsgudtwlq53.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

15、有浓度为 600)makesmallpic(this,600,1800);\' id=\"aimg_z8Pi2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5z1rmlbnpqy.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液若干，加了一定数量的水后，稀释成为 600)makesmallpic(this,600,1800);\' id=\"aimg_yM2Op\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/h4p0d0ha44g.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的溶液.如果再加入同样多的水，浓度是多少?_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_QMZ6t\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/cojb2cmdqdo.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_Fzixi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/1wwrk2ua3ea.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_SWX6I\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/b4ezykar10w.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_xK100\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/qqiau3gv13s.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />

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