如图A-2所示，容器被可以无摩擦滑动的活塞分成都是L的两部分.当活塞被锁住时，两部分气体的压强A为B的n倍，现将锁住的活塞的销子拔去，则活塞移动
At the meeting, they discussed different ________ to the study of physics. A. ways B. means C. methods D. approaches
高级住宅区一般位于城市的边缘，主要是因为 A．地价便宜 B．环境优美 C．交通方便 D．城市总体布局的需要
Is ____ three hours ____ the boy___ family is poor to come to school on foot? A. it, that, shoes B. it, when, that C. it for, that it takes, whose D. it, that it takes, whose
Shark is getting old and can’t jump as_________ as he did. A.high B.high
I want to watch the news on TV. _____, please. A. Turn on it B. Turn it on C. Turn off it D. Turn it off
金溪民方仲永，世隶耕。仲永生五年，未尝识书具，忽啼求之。父异焉，借旁近与之，即书诗四句，并自为其名。其诗以养父母、收族为意，传一乡秀
，下面结论错误的是
B.
∥平面
D.异面直线
