【正文】 ure life life is always predictable 答案 B 解析 推理判斷題。通讀全文可知，本文主要介紹未來人類身體將發(fā)生的一些變化，即未來人類將和我們長得不一樣。故選 C。 of the following is TRUE about a human being in the future? thinks and feels in a different way. has smaller eyes and wears better glasses. is hairless because hair is no longer useful. fingers grow weaker because he doesn’ t use them. 答案 C 解析 細(xì)節(jié)理解題。根據(jù)第二段的句子 “ Man， even five hundred years ago， was shorter than he is today.” 可知，人類在過去 500年中長得更高是外貌逐漸變化的依據(jù)。故選 C。 certain fish living in seas has lived through millions of year because . is the most powerful in the sea other fishes can swim as fast as it can can send out a kind of liquid which makes its enemies unable to find it liquid it sends out can kill its enemies 答案 C 解析 細(xì)節(jié)理解題。根據(jù)第二段最后兩句 “ Some other pests with different colours from plants are usually easily found and eaten by their they have to hide themselves in terror for lives and appear only at night.” 可知，這樣的蟲子若在白天出來活動(dòng)，它們的敵人會(huì)很容易發(fā)現(xiàn)并吃掉它們。故選 A。 are pests but they aren’ t easily wiped out by their enemies because . change colours with the crops are dangerous to their enemies fly very fast are powerful enough 答案 A 解析 細(xì)節(jié)理解題。本文主要講述了動(dòng)物有效地避免天敵傷害的辦法就是其外表的顏色隨周圍環(huán)境的變化而變化，呈現(xiàn)出一種保護(hù)色。 單元檢測(cè) 第 Ⅰ 卷 第一部分 聽力 (略 ) 第二部分 閱讀理解 (共兩節(jié) ， 滿分 40 分 ) 第一節(jié) (共 15 小題 ； 每小題 2 分 ， 滿分 30 分 ) 閱讀下列短文 ， 從每題所給的四個(gè)選項(xiàng) (A、 B、 C 和 D)中 ， 選出最佳選項(xiàng) 。 A Have you wondered why different animals or pests have their particular colours？ Colours in them seem to be used mainly to protect themselves. Birds， especially seagulls are very fond of locusts (蝗蟲 )， but birds can’ t easily catch locusts because locusts change their colours together with the change of the colour of crops are green， locusts look when crops are ripe， locusts take on exactly the same brown colour as crops other pests with different colours from plants are usually easily found and eaten by their they have to hide themselves in terror for lives and appear only at night. If you study the animal life in any part of the world， you will find the main use of colouring is to protect ， wolves and other beasts move quietly through are usually invisible (can’ t be seen) to the eyes of hunters， because they have the colour much like the bark(樹皮 ) of trees. An even more strange act remains to be kind of fish living in seas can send out a kind of very black liquid when it faces the liquid is over， its enemies cannot find it， and it quickly swims ， it has existed up to now though it is not powerful at all. passage mainly talks about . change of colour in locusts or pests can dye(染色 ) themselves different colours a certain sea fish protects itself protective colour of animals and pests 答案 D 解析 主旨大意題。故選 D。根據(jù)第二段第一句 “ ...but birds can’ t easily catch locusts because locusts change their colours together with the change of the colour of crops.” 可知，鳥類很難抓到蝗蟲是因?yàn)榛认x能夠隨著莊稼顏色的改變而改變自己的顏色。 pests that have different colours from plants usually appear at night because . enemies can easily find them and eat them have the habit of ing out in darkness ’ s easy for them to destroy plants in darkness take their rests when night es 答案 A 解析 細(xì)節(jié)理解題。故選 A。根據(jù)最后一段可知，這種魚可以放出一種液體，這種液體可以讓敵人找不到它們。 B What will man be like in the future— in 5,000 or even 50,000 years from now? We can only make guesses， of course， but we can be sure that he will be different from what he is today， for man is slowly changing all the time. Let us take an obvious ， even five hundred years ago， was shorter than he is ， on average， men are about three inches hundred years is relatively a short period of time， so we may assume that man will continue to grow ， in the modern world we use our brains a great so， we still make use of only about 20% of the brain’ s time goes on， however， we shall have to use our brains more and more， and eventually we