They laid eggs too andexisted on the earth for more than 140million years．题目和参考答案——青夏教育精英家教网—

题目内容

16．They laid eggs too andexisted（存在） on the earth for more than 140million years．

分析它们也下蛋，而且在地球上存在1亿4千万多年了．

解答答案是existed．考查翻译填空．句意是"它们也下蛋，而且在地球上存在1亿4千万多年了．""存在"和"下蛋"是并列谓语，因为laid是lay的过去式，所以动词exist也用过去式existed．故答案是existed．

点评本题考查翻译填空．首先要判断填写的单词及固定搭配，然后根据句意和相关语法填写正确的答案．

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72．What is the main idea of the passage？D
A．Vietnam has banned rice exports to other countries．
B．Thailand is the largest rice exporter in the world．
C．Some families are too poor to afford enough food．
D．Rising prices of food have led to the world food crisis．
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A．Thailand．
B．Switzerland．
C．Vietnam．
D．The USA．
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A．the worst food crisis
B．reduced harvests and grain supplies
C．people spending more money on food
D．pushing one hundred million people into hunger
75．What is the reason for the speculation according to the head of the U．N．Environment Program？A
A．High food prices．
B．The falling value of the dollar．
C．Enough rice supplies in some countries．
D．Restricted food exports in some countries．

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