读一读,把正确答案的代码填入相应的括号里。
①What can you do?____ A. Thank you.
②What can Sam do?____ B. I can draw.
③A gift for you, Linda.____ C. He can ride a bicycle.
④Where's the wolf?____ D. Ha!Ha! No wolves.
环境问题已经成为威胁人类生存的最关键问题了,下列举措有利于环境保护的是( )
The man has friends in this city,so he often stays at home.
如图所示,当开关闭合时,导线下方的小磁针会发生偏转,说明通电导体周围存在着____ ,这是丹麦著名物理学家____ 发现电流的____ (选填“热”、“磁”或“化学”)效应现象.
判断对错
两位数中最小的偶数是12.