①I want some bread. ____ A.
②The soup is cold. ____ B.
③The bed is soft. ____ C.
④The chair is hard. ____ D.
⑤I like the milk. ____ E.
选择正确的汉语意思:sport ( )
将两只额定电压相同的小灯泡L1、L2串联在电路中,如图所示。闭合开关后,发现灯L1较亮,灯L2较暗,其原因是( )
如图,已知圆的半径是5,弦AB的长是6,则弦AB的弦心距是( )
如果一个角等于36°,那么它的余角等于( )