属于杀虫剂的作用方式的有()
A.渗透
B.熏蒸、接触、胃毒
C.窒息
D.损伤
参考答案:B
— Are there ___________ trees in your village?
— Yes, there are ___________.[ ]
A. some, any
B. any, any
C. any, some
技术推动型创新活动的最早动力是直接受到利益驱使。 ( )