But for the metal cage to pull the miners to safety, the miners in Chile ____ in less than twenty-four hours.
A:would not be rescued
B:would not have been rescued
C:would be rescued
D:would have been rescued
下列各句中,没有语病、句意明确的一句是( )
将质量为m的小球用轻质细线悬挂起来,让其摆动.若不考虑空气阻力,则小球受力的做功情况是( )
1884年,淮军将领张树声在《遗折》中说:“夫西人立国,自有本末,虽礼乐教化远逊中华,然驯致富强,具有体用。育才于学堂,论政于议院,君民一体,上下一心,务实而戎虚,谋定而后动,此其体也;轮船、大炮、洋枪、水雷、铁路、电线、此其用也。”这表明张树声
Tom likes playing _____volleyball, and his sister likes playing______ piano.