◎ 题干
Of all living creatures on earth, insects are the most plentiful. Some  36  are very useful to man, for example, bees,  37  we get honey and wax, and silkworms, which  38  us with silk. Other varieties, 39 , are extremely harmful, and do a great  40  of damage, especially to crops. Locusts (蝗虫) are perhaps the most dangerous of all,  41  they will eat almost any green  42  , and when millions of them  43  on cultivated land(耕地)they soon leave it  44 . In some countries they are the farmer’s  45  enemy. Another nuisance is the common  46  , not only because it  47  us indoors and out - of- doors, but because it spreads diseases.
  Scientists have given much time and  48  to the study of insects. It needs the most careful and  49  observation. Thanks  50  their discoveries we now know almost all 51 is to be known about the habits of these hardworking insects, bees and ants, which live in 52 better planned in some ways than our  53  . But the most valuable work has been done in trying to give  54  to men, animals and crops from the  55  which insects cause.
  36.A. members  B. forms  C. qualities  D. varieties
  37.A. by which  B. from which  C. of which  D. in which
  38.A. give  B. produce  C. offer  D. supply
  39.A. however  B. meanwhile C. therefore  D. what's more
  40.A. majority  B. number  C. amount  D. quantity
  41.A. and  B. for  C. if  D. when
  42.A. grass  B. field  C. fruit  D. plant
  43.A. settle  B. attack  C. pass  D. cross
  44.A. bare  B. nothing  C. empty  D. untouched
  45.A. hardest  B. greatest  C. serious  D. wildest
  46.A. insect  B. creature  C. fly  D. enemy
  47.A. dislikes  B. bites  C. worries  D. hates
  48.A. understanding  B. ideas  C. comprehension  D. thought
  49.A. serious  B. patient  C. curious  D. long
  50.A. for  B. of  C. to  D. with
  51.A. that  B. which  C. there  D. what
  52.A. societies  B. crowds C. teams  D. organizations
  53.A. world  B. nation  C. selves  D. own
  54.A. help  B. protection  C. living  D. defense
  55.A. injury  B. wound  C. sickness  D. ruin
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    根据n多题专家分析,试题“Of all living creatures on earth, insects are the most plentiful. Some 36 are very useful to man, for example, bees, 37 we get honey and wax, and silkworms, whi…”主要考查了你对  【科教类阅读】【健康环保类阅读】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。