题目内容
20.Many people think that it is ________ making such an experiment.( )A. | valuable | B. | worthwhile | C. | convenient | D. | important |
分析 很多人认为做这样的实验是值得的.
解答 答案是B.本题考查形容词词义辨析.valuable有价值的; worthwhile值得花时间的;convenient方便的; important重要的;根据句意,这项实验是值得花时间的,所以选用worthwhile.句型:It is worthwhile to do/doing sth.表示"做某事是值得花时间的",it 是形式主语;因此答案是B.
点评 形容词辨析的关键在于积累词汇和一些相关的固定搭配,在此基础上结合语境,做出合理的判断.
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