题目

 The school was named ____________ a businessman devoted to China’s education.       A. in honour of                                  B. instead of      C. in favour of                                  D. by means of 答案:A. 解析:in honour of 意思是“为纪念”;instead of 意思是“相反”,“而不是”;in favour of 意思是“支持”或“有利于”;by means of意思是“用……方法”。锎是锕系中的一种元素,1 mg锎()每秒钟约能释放出2.34×109个中子,在医学上常用作治疗恶性肿瘤的中子源。下列有关说法错误的是( )A.锎位于元素周期表第6周期B.和互为同位素C.中,质子数和电子数均为98D.的中子数与质子数之差为56 
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