A hermit crab that has found an empty shell for its new home may share its dwelling. It chooses a sea anemone to settle on top of the shell. This flower-like animal's usual home is on a rock.

  The sea anemone gains by the partnership. As it rides on the shell, it has a better chance of getting food. Pieces of food torn by the crab as it dines may also reach the anemone's mouth.

  The crab profits in its turn. Its enemies find the crab harder to see and to attack. Around the anemone's mouth are tiny arms called tentacles. These shoot out threads that poison and even kill.

  A hermit crab sometimes becomes a "two gun" wanderer. It carries an anemone on each claw of its first pair of legs.

1.The crab in this partnership is the______.

A.spider crab B. fiddler crab C. hermit crab D. sponge crab

2.Its partner is described as________.

A.a(chǎn) sea plantB. a sea flower

C.a(chǎn)n animal-like flower D. a flower-like animal

3.The crab's partner lives________.

A.inside the shell   B.on top of the shell

C.on a nearby rock  D.None of the above

4.The sea anemone gains because it has a better__________.

A.supply of food B.place to hide

C.Both A and B D. Neither A nor B

5.The crab gains because it is________.

A.better hidden from its enemies  B. protected by the anemone's tentacles

C.Both A and B    D.Neither A nor B

6.A "two-gun" crab is protected by________.

A.two anemones settled on its shell   B.a(chǎn)n anemone on each fore claw

C.a(chǎn)n anemone on each of its hindmost pair of legs D. two guns

7.In the crab-anemone relationship, the two animals______.

A.both profit while living together B.work together only now and then

C.try to harm each other D.each use tentacles against enemies

答案:C;D;B;A;C;B;A
解析:

  生詞猜測是此題的重點,如:依據(jù)下文This flower-like animal's usual home is

on a rock.的便可推測上文的a sea anemone是一種形狀似花朵的海洋動物。又如:依據(jù)下文的As it rides on the shell, it has a better chance of getting food.便可推測上文的The sea anemone gains by the partnership.是什么意思。


提示:

  話題:奇異海洋生物語篇的閱讀技巧。重點:細節(jié)捕捉、生詞猜測。


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