第4部分：阅读理解(第31~45题，每题3分，共45分)

下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

第一篇

On the Trial of the Honey Badger

31. Why did the wild life experts visit the Kalahari Desert?

A. To find where honey badgers live.

B. To catch some honey badgers for food.

C. To observe how honey badgers behave.

D. To find out why honey badgers have a bad reputation.

32. What does Kitso Khama say about honey badgers?

A. They are always looking for food.

B. They do not enjoy human company.

C. They show interest in things they are not familiar with.

D. It is common for them to attack people.

33. What did the team find out about honey badgers?

A. There were some creatures they did not eat.

B. They were afraid of poisonous creatures.

C. Female badgers did not mix with male badgers.

D. They may get some of the water they needed from fruit.

34. Which of the following is a typical feature of male badgers?

A. They don’t run very quickly.

B. They defend their territory from other badgers.

C. They hunt over a very large area.

D. They are more aggressive than females.

35. What happened when honey badgers got used to humans around them?

A. They became less aggressive towards other creatures.

B. They lost interest in people.

C. They started eating more.

D. Other animals started working with them.

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第二篇

Forecasting Methods

There are several different methods that can be used to create a forecast. The method forecaster chooses depends upon the experience of the forecaster, the amount of information available to the forecaster, the level of difficulty that the forecast situation presents, and the degree of accuracy or confidence needed in the forecast.

The first of these methods is the persistence method; the simplest way of producing a forecast. The persistence method assumes that the conditions at the time of the forecast will not change. For example, if it is sunny and 87 degree today, the persistence method predicts that it will be sunny and 87 degree tomorrow. If two inches of rain fell today, the persistence method would predict two inches of rain for tomorrow. However, if weather conditions change significantly from day to day, the persistence method usually breaks down and is not the best forecasting method to use.

The trends method involves determining the speed and direction of movement for fronts, high and low pressure centers, and areas of clouds and precipitation. Using this information, the forecaster can predict where he or she expects those features to be at some future time. For example, if a storm system is 1,000 miles west of your location and moving to the east at 250 miles per day, suing the trends method you would predict it to arrive in your area in 4 days. The trends method works well when systems continue to move at the same speed in the same direction for a long period of time. if they slow down, speed up, change intensity, or change direction, the trends forecast will probably not work as well.

The climatology method is another simple way of producing a forecast. This method involves averaging weather statistics accumulated over many years to make the forecast. For example, if you were using the climatology method to predict the weather for New York City on July 4th, you would go through all the weather data that has been recorded for every July 4th and take an average. The climatology method only works well when the weather pattern is similar to that expected for the chosen time of year. if the pattern is quite unusual for the given time of year, the climatology method will often fail.

The analog method is a slightly more complicated method of producing a forecast. It involves examining today's forecast scenario and remembering a day in the past when the weather scenario looked very similar (an analog). The forecaster would predict that the weather in this forecast will behave the same as it did in the past. The analog method is difficult to use because it is virtually impossible to find a predict analog. Various weather features rarely align themselves in the same locations they were in the previous time. Even small differences between the current time and the analog can lead to very different results.

36. Which of the following is NOT mentioned in choosing a forecasting method?

A. Necessary amount of information.

B. Degree of difficulty involved in forecasting.

C. Practical knowledge of the forecaster.

D. Creativity of the forecaster.

37. The persistence method fails to work well when

A. it is rainy.

B. it is sunny.

C. weather conditions change greatly.

D. weather conditions stay stable.

38. The trends method works well when

A. weather features are defined well enough.

B. predictions on precipitation are accurate.

C. weather features are constant for a long period of time.

D. the speed and direction of movement are predictable.

39. The analog method should not be used in making a weather forecast when

A. the current weather scenario is different from the analog.

B. the analog looks complicated.

C. the analog is more than 10 years old.

D. the current weather scenario is exactly the same as the analog.

40. Historical weather data are necessary in

A. the climatology method and the analog method

B. the persistence method and the trends method

C. the trends method and the climatology method

D. the persistence method and the analog method

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Saying is one thing and doing another. 说是一回事,做是另一回事. /说来容易做来难.
He who knows useful things,not many things is wise. 聪明人不是懂得多,而是懂得有用的东西.

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