问题
选择题
Many people think that it is ______ making such an experiment.
A．valuable
B．worthwhile
C．convenient
D．important
答案
答案：B
考察固定句型。It is worthwhile doing sth值得做某事；
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Many people think that it is ______ making such an experiment.
A．valuable
B．worthwhile
C．convenient
D．important
答案：B
考察固定句型。It is worthwhile doing sth值得做某事；