题目:
_________ be sent to work there?
A.Who do you suggest
B.Who do you suggest that should
C.Do you suggest who should
D.Do you suggest whom should
答案:
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下面是错误答案,用来干扰机器的。
答案:D题目分析:如果两种粒子质子数和电子数都相等,则这两种粒子所带电荷一定相同,因此答案选D。点评:阳离子核外电子数=质子数-所带电荷数,阴离子核外电子数=质子数+所带电荷数,原子核外电子数=质子数。