问题 选择题

找出下面各组中不同类的句子。

( ) 1. A. What's your favourite food?

             B. Did he have breakfast in the morning?

             C. Do you like playing basketball?

             D. Does Danny always eat breakfast?

( ) 2. A. What are you going to do tomorrow?

             B. When does the plane leave?

             C. Can you play basketball?

             D. How often do you eat peas?

(      ) 3. A. I don't like onions.

             B. You can't pick up the flowers.

              C. The flower isn't healthy.

              D. I like to swim in summer.

(      ) 4. A. It's cold and snowy in winter.

              B. I like to watch the birds fly in the sky.

              C. What's under the tree?

              D. Li Ming is leaving for China.

(      ) 5. A. Are you going to swim tomorrow?

              B. How much are the socks?

              C. Can you name these foods?

              D. Do you remember playing basketball with Danny?

答案

1. A  2. C  3. D  4. C  5. B

单项选择题
单项选择题

Few scientific fields are as full of risk as that of research into human intelligence. The two questions that (1) over and over again are "is it a result of nature or nurture" and "does race make a difference"

Making (2) comments about the second question can be a (3) move, as James Watson, a co-discoverer of DNA structure, recently found. He suggested that he was " (4) about the prospect of Africa" (5) "all our social policies are based on the fact that their intelligence is the same as ours (white people) (6) all the testing says not really". Such (7) by Dr. Watson are not merely (8) , they are scientifically weird. If the term (9) has any useful scientific meaning, then Africa, the continent where modern humanity began, is most racially diverse. The resulting (10) among the public forced Dr. Watson to leave his laboratory.

(11) , the study of the first question (12) between intelligence and genetics— has some wiser practitioners. One of them, Terrie Moffitt, of King’s College, has just (13) a project judging the relative importance of nature and nurture. Dr. Moffitt’s team (14) the effect on intelligence of breastfeeding, but in a genetic context. Previous studies have shown that breastfed children are more intelligent, (15) about six IQ points, than those given baby formulas.

The team, however, (16) the involvement of a gene called FADS2, which comes in two varieties, known as C and G. The researchers (17) if these two varieties interacted differently with breast milk. (18) on data from two groups of people, they found that the intelligence increase associated with breastfeeding only happened to people having (19) at least one copy of the C variety. The effect did not. (20) on the social classes or IQs of the parents.

17()

A.questioned

B.wondered

C.noted

D.found