刺蛾可利用成蛾有假死性的习性,在成虫期设诱虫灯诱杀成虫。( )
参考答案:错
在家庭电路中,插座一般与其他用电器______联,开关与它所控制的用电器______联.
—Were there many people there?
—__________. It rained heavily.[ ]
A. Yes, there was
B. No, there weren't
C. No, there aren't