根据有效积温法则,可以推算出昆虫在某地一年内可能发生的世代数,从而进行虫害预报。()
参考答案:对
It is ________ that I can still remember ______ was discussed at the meeting.
A.sure; when
B.sure; what
C.certain; when
D.certain; what
精神分裂症首选药()。