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Does your older brother think he’s cleverer than you ? Well, he’s probably right． According to a new research published in the journal Intelligence, the oldest children in families are likely to have the highest IQs and the youngest the lowest ,

A number of studies have suggested that IQ scores decline with birth order． In the most recent study, at Vrije University, Amsterdam,researchers looked at men and women whose IQ had been tested at the ages of 5，12 ，and 18．

The results , which show a trend for the oldest to score better than the youngest in each test, involved about 200,000people． That showed that first-borns had a three-point IQ advantage over the second-born, who was a point ahead of the next in line．

The order of birth can also affect personality, achievement, and career, with first-borns being more academically successful and more likely to win Nobel prizes． However,eldset children are less likely to be radical and pioneering ． Charles Darwin, for example, was the fifth child of six．

Exactly why there should be such differences is not clear, and there are a number of theories on environmental influences on the child．

The so-called dilution(稀釋法) theory suggests that as family resources, both emotional and physical, as well as economic, are limited, it follows that, as a result , as more children come along, the levels of parental attention and encouragement will drop． Another theory is that the intellectual(智力) environment in the family favors the first-born who has, at least for some time, the benefit of individual care and help．

The theory which enjoys the most support is that the extra time and patience that the earlier-borns get from their parents, compared with those arriving later, gives them an advantage．

1．What is the passage mainly about?

A．IQ scores have little to do with the order of birth．

B．Intellectual families favor the first-born

C．The order of birth can have an effect on IQ

D．The order of birth can affect personality, achievement, and carrer．

2．By using Charles Darwin as an example, the author wants to prove that         

A．eldest children are the smartest in a family

B．youngest children will usually become experts

C．first-borns are more likely to win Nobel prizes

D．eldest children are less likely to try something new

3．What do we know about the dilution theory?

A．Intellectual parents love the first –born better

B．Parents’ attention will drop with more children coming

C．Family resources,both emotional and physical are endless．

D．First-born get less care and help from their parents．

4．The passage is developed mainly by         

A．offering opinion with further explanation

B．pointing out similarities and difference

C．comparing opinions from different fields

D．providing typical examples

This is a reading room, boy． You must act in a way         won’t disturb others．

A．in which        B．it             C．which          D．a(chǎn)s

My brother is very tall . The little bed won’t         for him .

       A．prepare    B．go    C．fit    D．do

23.---Do you feel like _____ there or shall we take a bus?

---I’d like to walk,but since there isn’t much time left,I’d rather we_____ a taxi.

A.walking; hire      B. to walk; hire       C. to walk; hired     D. walking; hired

My colour TV set is only one year old and it is still under _____.

A. repair          B. safety                C. control          D. guarantee

語法填空（共10小題；每小題1.5分，滿分15分）

閱讀下面短文，根據(jù)上下文填入適當(dāng)?shù)脑~語，或使用括號(hào)中的詞語的適當(dāng)形式填空，并將答案填寫在答題卡上標(biāo)號(hào)為31—40的相應(yīng)位置。

       In ancient times the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted   31       saying poetry aloud or giving speeches.

       Generally, however, modern examinations are written. The written examination, where all students are tested on the same questions, was probably not known       32   the nineteenth century. Perhaps it came into   33         (exist) with the great increase in population and the development of modern industry.

       Two types of tests are   34         (common) used in modern schools. The first type is sometimes called an “objective” test. It   35               (intend) to deal with facts, not personal opinions. On objective tests the student has just one task: he must recognize the correct answer, and then he must copy its letter or number onto his examination paper. Sometimes there is   36           answer sheet on which the four letters or numbers are printed. Then the student only has to circle the one         37               goes with the correct answer.

       For testing some kinds of learning, however, such a test is not very satisfactory. A lively student   38              guess the correct answer without really knowing the material.

       For a clearer picture of   39            the student knows, most teachers use another kind of examination in addition to objective tests. They use “essay” tests, and the tests require students to write long answers to broad, general questions. When some essay questions are used along with some objective questions,  40                , a fairly clear picture of the students’ knowledge and ability can usually be obtained.

Don’t lose heart._______you fail.

A. until　       B. even if             C. unless               D. or

This is ___the shenzhou V Spaceship landed.

   A. there   B. in which   C. where   D. when

Sarah hopes to become a friend of ______shares her interests.

A. anyone    B. whomever    C. whoever    D. no matter who

 No one can be sure _____ in a million years.

A. what man will look like         B. what will man look like

C. man will look like what         D. what look will man like