Question

17．It is well-known that twins are closer to each other than most brothers and sisters----after all，they probably spend more time with each other．Parents of twins often notice that they develop special ways of communicating：they invent their own words and one can often finish the other's sentence．In exceptional circumstances，this closeness becomes more extreme：they invent a whole language of their own，as in the case of Grace and Virginia Kennedy from Georgia in the USA，who communicated so successfully in their own special language that they did not speak any English at all until after they started school．
However，these special relationships are the result of lives spent almost entirely in each other's company．What happens when twins do not grow up together，when they are separated at birth for some reason？Are they just like any other strangers，or are there still special similarities between them？Professor Tom Bouchard，of the University of Minnesota，set out to find the answer to this question．He traced sixteen pairs of twins，who were adopted by different families when they were babies，and often brought up in very different circumstances．Each twin was then interviewed about every small detail of their life．
The results of this research make a surprising reading．Many of the twins were found to have the same hobbies，many have suffered the same illnesses，and some have even had the same type of accident at the same point in their lives．One pair of middle-aged women arrived for their first meeting in similar dresses，another pair were wearing similar jewellery．The most incredible similarities are to be found in the case of Jim Springer and Jim Lewis from Ohio in the USA．The story of the'Jim Twins'made headline news across USA．Born to an immigrant woman in 1939，and adopted by different families at birth，both babies were named Jim by their new parents．
But what can be the explanation for these remarkable similarities？Is it all pure coincidence，or is the explanation in some way genetic？Research into the lives of twins is forcing some experts to admit that our personalities may be at least partly due to'nature'．On the other hand，analysts are also anxious to emphasise that incredible coincidences do happen all the time，not just in the lives of twins．
73．The case of Grace and Virginia Kennedy （Para.1）is to show thatA．
A．twins communicate with each other in an unusual way
B．twins are more likely to suffer from speaking problems
C．most twins have exceptional abilities to invent a new language
D．twins won't have an effective communication until they go to school
74．The purpose of Tom Bouchard's study is to findC．
A．what will happen if twins spend lives entirely in the same company
B．why the 16 pairs of twins have been adopted by different families
C．whether separated growing up has effect on twins'special similarities
D．when the special similarities come into being during their growing up
75．What does the word"reading"in Paragraph 3 most probably mean？B
A．Book．B．Interpretation．C．Literature．D．Measurement．
76．According to Tom Bouchard's research，the special similarities between twinsD
A．depend on what the twins enjoy and suffer from
B．can not be proved or accepted by all the experts
C．result from the twins'growing up and development
D．a(chǎn)re not closely linked with where the twins are raised
77．What can be learned from the last paragraph？C
A．Incredible coincidences happen to twins all the time．
B．Nature is the only way to explain the similarities between twins．
C．The differences between twins are to some extent the results of genes．
D．Similarities shows the close relationship between two strange persons．

Answer 1

分析 本文論述了雙胞胎之間會有如此多的相似之處是由共同的生活環(huán)境決定的還是由基因決定，根據(jù)Tom Bouchard教授的研究結(jié)果，可知雙胞胎的相似之處很大程度上是天生的，即由基因決定的．

解答 ACBDC
73．答案 A 推理判斷題 根據(jù)第一段Parents of twins often notice that they develop special ways of communicating：they invent their own words and one can often finish the other's sentence．可知，作者用Grace and Virginia Kennedy兩個人的例子來證明"雙胞胎可以以一種非同尋常的方式來交流"，故答案為A
74．答案 C 細(xì)節(jié)理解題 根據(jù)What happens when twins do not grow up together，when they are separated at birth for some reason？Are they just like any other strangers，or are there still special similarities between them？Professor Tom Bouchard，of the University of Minnesota，set out to find the answer to this question．可知，Professor Tom Bouchard研究的目的是看看分別長大的雙胞胎還會有如此多的相似性，故答案為C
75．答案B 詞義猜測題 根據(jù)下文Many of the twins were found to have the same hobbies，many have suffered the same illnesses，and some have even had the same type of accident at the same point in their lives．可知，研究結(jié)果是令人吃驚的，reading此處的意思為"解讀，闡釋"，故答案為B
76．答案 D 推理判斷題 根據(jù)Research into the lives of twins is forcing some experts to admit that our personalities may be at least partly due to'nature'．可知，雙胞胎即使分別被撫養(yǎng)長大仍然有如此多的相似之處，說明這不是由環(huán)境影響，而很可能是由基因決定的，故答案為D
77．答案 C 主旨?xì)w納題 根據(jù)Research into the lives of twins is forcing some experts to admit that our personalities may be at least partly due to'nature'．可知雙胞胎的相似之處很大程度上是天生的，即由基因決定的，故答案為C

點評 1、要想做好科普英語閱讀理解題，同學(xué)們就要注意平時多讀科普知識類文章，學(xué)習(xí)科普知識，積累常見的科普詞匯，從根本上提高科普英語的閱讀能力．
2、要熟悉科普類文章的結(jié)構(gòu)特點．科普類文章一般由標(biāo)題（Head line），導(dǎo)語（Introduction），背景（Back ground），主體（Main body）和結(jié)尾（End）五部分構(gòu)成．標(biāo)題是文章中心思想高度而又精辟的概括，但根據(jù)歷年的高考情況來看，這類閱讀理解材料一般不給標(biāo)題，而要同學(xué)們選擇標(biāo)題．導(dǎo)語一般位于整篇文章的首段．背景交待一個事實的起因．主體則對導(dǎo)語概括的事實進行詳細(xì)敘述，這一部分命題往往最多，因此，閱讀時，同學(xué)們要把這部分作為重點．結(jié)尾往往也是中心思想的概括，并與導(dǎo)語相呼應(yīng)，命題者常在此要設(shè)計一道推理判斷題．　　
3、在進行推理判斷時，同學(xué)們一定要以閱讀材料所提供的科學(xué)事實為依據(jù)，同時所得出的結(jié)論還應(yīng)符合基本的科普常識．