题目内容

Pierre Curie ______ his own research work and joined Madam Curie in the search for radium.    
A.turned downB.gave offC.set asideD.took over
C
考查词组:A. turned down调小,拒绝,B. gave off散发,C. set aside留出,放在一边,D. took over接管,句意是:Pierre Curie把自己的研究工作放在一边,和居里夫人一起研究镭。选C。
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