A.化学反应
B.放射性衰变
C.裂变反应
D.聚变反应
答案:C
----Is Mr. Franco Hollande __________ honest and capable man?
---- Yes. And that is why he was chosen ____________ president of France . [ ]
A. a ; a
B. an ; \
C. the ; the
D. a ; \
工业厂房或多层民用建筑的沉降观测总次数不应少于()次。
A.6
B.5
C.4
D.3