In order to look at sea life closely, people have ______ some kinds of special e

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问题 In order to look at sea life closely, people have ______ some kinds of special equipment.

选项 A、to work in
B、to work over
C、to work out
D、to work off

答案 C

解析 本题测试work动词短语的辨析。work in:插入,加进,把……引进。例如:I’ll try to work in a mention of the help you gave.(我会想办法提及你所给予的帮助。)work over:检查,研究,重做。例如:I need to spend some time in working over this plan.(我需要花一些时间来研究一下这个计划。)work out:制定出,做出。例如:We’ve drawn up the main outline and we’ll work out the details later.(我们已经把主要提纲拟好了,稍后再把细节做出来。)work off:排除,偿清,发泄。例如:He has three years to work off his debt.(他得做三年工来偿清债务。)本句的意思是:“为了近距离观察海洋生物,人们不得不制作出一些特殊的设备。”因此,C最符合题意。
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