我国的动物种类多种多样,据统计,我国的脊椎动物有[ ]
A.630多种
B.3600多种
C.6300多种
D.63000多种
答案:C
I my father smoking successfully.
A. persuaded ; to stop
B. talked ; into stopping
C. argued;to stop
D. all the above
论述汉语词汇复音化的主要原因。