问题
选择题
Pierre Curie ______ his own research work and joined Madam Curie in the search for radium.
A．turned down
B．gave off
C．set aside
D．took over
答案
答案：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。
