— Did Eric go swimming yesterday? — _________. He went to the movies with Mark.
A:Yes, he did
B:Yes, he does
C:No, he didn't
D:No, he doesn't
读图,回答下列问题。
如图所示,额定功率接近10W的用电器是( )
“尺有所短,寸有所长”这句话告诉我们( )
①正确认识自己
②客观评价自己
③扬长避短
④夸大自己的长处,忽略自己的短处
1820年,安培在科学院的例会上做了一个小实验,引起了到会科学家的兴趣.如图9-11,把螺线管沿东西方向水平悬挂起来,然后给导线通电,会发生的现象是 ( )