2017英語四級閱讀臨考沖刺試題及答案
英語作為文科科目當中的一個重要組成部分，需要記憶理解的東西比理科要多的多，所以復習的戰線需要拉得更長，下面是小編為大家搜索整理的英語四級輔導練習，希望能給大家帶來幫助!
A remarkable variety of insects live in this planetMore species of insects exist than all other animalspecies together. Insects have survived on earth formore than 300 million years, and may possess theability to survive for millions more.
Insects can be found almost everywhere -- on thehighest mountains and on the bottom of rushingstreams, in the cold South Pole and in bubbling hot springs. They dig through the ground,jump and sing in the trees,and run and dance in the air. They come in many different colorsand various shapes. Insects are extremely useful to humans, pollinating (授粉)our crops aswell as flowers in meadows, forests, deserts and otherareas. But licks and some insects, such asmosquitoes and fleas, can transmit disease.
There are many reasons why insects are so successful at surviving. Their amazing ability toadapt permits them to live in extreme ranges of temperatures and environments. The oneplace they have not yet been found to any major extent is in the open oceans. Insects cansurvive on a wide range, of natural and artificial foods—paint, pepper, glue, books, grain,cotton，other insects, plants and animals Because they are small they can hide in tiny spaces.
A strong, hard but flexible shell covers their soft organs and is resistant to chemicals, waterand physical impact. Their wings give them the option of flying away from dangeroussituations or toward food or males. Also, insects have an enormous reproductive capacity: AnAfrican ant queen can lay as many as 43,000 eggs a day.
Another reason for their success is the strategy of protective color. An insect may be rightbefore our eyes, but nearly invisible because it is cleverly disguised like a green leaf, lump ofbrown soil, gray lichen (青苔),a seed or some other natural object Some insects use bright, boldcolors to send warning signalsthat they taste bad,sting or are poison.Others have wingpatterns that look like the eyes of a huge predator, bitter-tasting insects; hungry enemies arefooled into avoiding them.
練習題：
Choose correct answers to the question:
1.Insects can be found in large amounts in the following places EXCEPT _____.
A.on the mountains with little air
B.in the cold polar areas
C.in the hot desert areas
D.in the open oceans
2.Insects protect themselves from chemicals by _______
A.hiding in tiny spaces
B.having a strong shell
C.flying away when necessary
D.changing colors or shapes
3.Some insects disguise like natural objects so as to ______
A.frighten away their enemies
B.avoid being discovered
C.send warning signals
D.look bitter-tasting
4.The passage mentions that insects ______.
A.can be found in any extreme environments
B.have survived longer than any other creatures
C.can be fed on any natural or man-made foods
D.are important for the growth of crops and flowers
5.The passage is mainly about ______
A.how insects survive in different places
B.why insects can survive so successfully
C.what insects can do to the environment
D.where insects can be found in quantity
參考答案
1.[D] 事實細節題。本題考查對復合句的理解。本題涉及兩個段落，第2段及第3段都提及昆蟲大量生長的地方，第3段第3句中的The one place指出了答案。
2.[B] 事實細節題。本題考查對復雜句的理解。第4段第1句指出了答案。protect…from…是對resistant to的同義替換。
3.[B] 推理判斷題。本題考查對長句的理解。最后一段第2句中的.nearly invisible表明昆蟲偽裝是為了不被發現，因此B為正確選項。其他選項雖然都是昆蟲偽裝的目的，但都與偽裝成自然物體無關。
4.[D] 推理判斷題。本題考查對含有分詞結構句子的理解。根據第2段倒數第2句中的useful及分詞結構pollinating可推斷昆蟲對植物的生長有益處。選項A、B、C中都有any,過于絕對。由第3段第2、3句可知選項A不對。文章雖在開頭指出昆蟲存活的年代久遠，但全文未提到它是存活時間最長的生物，所以選項B錯誤。至于昆蟲的食物，第3段倒數第2句有提及,但只是a wide range of,由此可排除選項C。
5.[B] 主旨大意題。本文前兩段首先描述了昆蟲生存了很長的時間，并能在各種地方生長，然后引出文章要討論的重點，即昆蟲為什么能成功存活。第3段第1句為本文的中心句，因此本題正確選項為B。
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