—Does your friend like salad?
—_________.
A:Yes, she like
B:No, she does
C:Yes, she doesn't
D:No, she doesn't
浏阳(28°N)夏至日时,为使太阳能热水器的效率最高,则太阳能热水器集热板与楼顶水平面的夹角应为( )
28里面有____个7。
物体处于平衡状态,下列说法中正确的是()