题目内容
4.After many experiments,scientists have _______ something special to keep out the sun.( )A. | caught | B. | invented | C. | imagined | D. | decided |
分析 多次实验以后,科学家们已经发明了能遮挡太阳的特殊的东西.
解答 答案:B caught抓住;invented发明;imagined想象;decided决定.根据关键部分After many experiments,并结合前后语境可猜测出经过多次实验后,科学家应该是发明出了特殊的东西.发明应该用动词invent,由于这里是现在完成时态,所以应该用过去分词形式为invented.故选B.
点评 做此类题先要知道选项中各个动词的含义;再结合语境抓住关键词判断出大体的句意,之后填入符合句意的动词即可.
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