dinator was concerned about __63__ the chemicals coming out of some common types of plastic might be doing to her body. She was also worried about the damage all the plastic __64__ was doing to the environment. So she __65__ on her bike and rode to the nearest grocery store to see what she could find that didn't __66__ plastic. "I went in and __67__ bought anything," Haegele says. She did __68__ some canned food and a carton (纸盒) of milk – to discover later that both containers were __70__ with plastic resin (树脂). "Plastic," she says, "just seemed like it was in everything."

She's right. Back in the 1960s, plastic was well __71__ its way to becoming a staple of American life. The U.S. produced 28 million tons of plastic waste in 2005 – 27 million tons of which __72__ in landfills (垃圾填埋场). Our food and water come __73__ in plastic. It's used in our phones and our computers, the cars we drive and the planes we ride in. But the __74__ adaptable substance has its dark side. Environmentalists feel worried about the petroleum needed to make it. Parents worry about the possibility of __75__ chemicals making their way from 76plastic into children's bloodstreams. Which means Haegele isn't the only person trying to cut plastic out of her life – she isn't __77__ the only one blogging about this kind of __78__. Butthose who've tried know it's __79__ from easy to go plastic-free. "These things seem to be so common __80__ it is practically impossible to avoid coming into __81__ with them," says Frederick vom Saal, a biologist at the University of Missouri.

62. A) resolved            B) recovered         C) removed           D) retreated

63. A) when          B) what                 C) who                  D) why

64. A) essence              B) unit                  C) crust                 D) rubbish

65. A) hinged               B) hopped             C) stretched           D) dipped

66. A) include              B) induce              C) compose           D) consist

67. A) slightly              B) nearly        C) roughly             D) barely

68. A) pursue               B) prescribe           C) preserve            D) purchase

69. A) rather         B) ever                  C) merely              D) only

70. A) probed              B) coupled             C) lined                 D) combined

71. A) by              B) over                 C) on                    D) under

72. A) ended up    B) pulled up          C) put up        D) set up

73. A) trapped              B) adapted             C) wrapped            D) adopted

74. A) interactively       B) remotely           C) infinitely           D) resolutely

75.  A) sensible             B) toxic       &nb