2. 外语
  3. As advised, you ought to spend your time on something______researching into.

As advised, you ought to spend your time on something______researching into.

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问题 As advised, you ought to spend your time on something______researching into.
选项 A、worth of
B、worth
C、worthy
D、worthless
答案B
解析 该题是词汇题，考查词形相近的词义和用法辨析。选项A中的worth of意思是“价值……的东西”，如：ten dollars worth of books价值10块钱的书。选项B中的worth后面跟名词、代词或动名词，意思是“值得努力、值得做”，如：The job involves a lot of hard work but it is worth it．这工作需要花费很大力气，但是值得。选项C中的worthy后面跟介词of，意思是“值得或应得”，如：A number of the report’s findings are worthy of note．这份报告里有些调查结果值得注意。选项D中的worthless意思是“没用的、无价值的”，如：a worthless painting一幅毫无价值的画。因此，根据题意，选项B为最佳答案。
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