甘肅廣播電視大學(xué)人文英語4單元自測4成績-單元自測4（10分）答案

1、試卷總分:100 得分:100一、選擇填空，從 A 、 B 、 C 三個(gè)選項(xiàng)中選出一個(gè)能填入空白處的最佳選項(xiàng)。（每題 10 分） Could I talk to Prof. Lee? _.Im waiting for you?Oh, its youYes, speaking?答案:C2. Can you tell me where I can park the car? _.?It is made in AmericaWell, just over there?Yes, please答案:B3.?The atmosphere ? ?certain gases mixed together in

2、 definite proportions.consists of?is made up?composes of答案:A4.?I was giving a talk to a large group of people，the same talk I _to half a dozen other groups before.?was givingam givinghad given答案:C5.?The new order means _ overtime.?worksto workworking答案:C二、閱讀理解：選擇題（每題 10 分）6.選擇題Babies who are breast-

3、fed may be more likely to be successful in life, a new study published Tuesday suggests. The study followed more than 3,000 babies into adulthood in Brazil. The researchers found those who were breast-fed scored slightly higher in intelligence tests in their 30s, stayed in school longer and earned m

4、ore money than those who were given formula（配方奶粉）.“Breast-feeding not only has short-term benefits, but also breast-feeding has long-term benefits, ” says Bernardo Lessa Horta of the Federal University of Pelotas in Brazil, who led the study being published in The Lancet Global Health.Doctors have l

5、ong known that breast-feeding can be good for a babys health. This is especially true in poor countries, where water can be contaminated. For instance, a baby given formula in developing countries is 14 times more likely to die in the first six months than one whos breast-fed. In the U.S., some rese

6、arch has suggested that breast-feeding may raise a babys IQ（智商）by a few points. But a recent study with siblings（兄弟姐妹）found little advantage to breast-feeding.Horta says these previous studies didnt follow children into adulthood to see if breast-feeding had long-term effects. So Horta analyzed data

7、 collected from 3,493 volunteers he and his colleagues have been following since birth. They are now in their 30s. First, the researchers gave the subjects IQ tests. Those who were breast-fed for 12 months or more had IQ test scores that were 3.76 points higher than those who were breast-fed for les

8、s than one month, the team found.When Horta and his colleagues looked at how much education the subjects had gotten and how much money they were making, they also found a clear difference: Those who were breast-fed the longest stayed in school for about an extra year and had monthly salaries that we

9、re about a third higher.From the passage, we learn that Horta .A. is from BrazilB. conducts his research in the U.S.C. has 30 researchers on his teamWhich of the following about those who were breast-fed is NOT mentioned?A. They stayed longer in schoolB. They were happierC. They were smarterWhich of

10、 the following is TRUE?A. Doctors dont understand the benefits of breast-feeding.B. Horta is concerned with water contamination in poor countries.C. Hortas research project lasted about 30 yearsThe word contaminated in Paragraph 3 is closest in meaning to .A. finishedB. interestedC. pollutedWhich of the following is an appropriate title for this passage?A. Researchers Have Pointed Out the Disadvantages of Breast-