问题
选择题
. --Do you think he will come to my birthday party?
-- _____. He is a man of his word.
A．I can’t agree more
B．You can count on it
C．That’s all right
D．It’s none of your business
答案
答案：B
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X 经过 6 次a 衰变后的产物是
Fm ，由此可以判定生成的超重元素的原子序数和质量数分别是 （ )