促进了中 * * 的觉醒，标志着中国人民抗日救亡运动新高潮到来的是：（）
A.一二·九运动
B.五卅运动
C.五四运动
D.一二•一运动
参考答案：A
已知：点E、F、G、H分别为四边形ABCD 的边AB、BC、CD、DA的中点，若四边形EFGH 为正方形，则原四边形ABDE 应具备什么条件？说明你判断的理由。
In the last few years thousands of films __________ all over the world. [ ]
A. have produced
B. have been produced
C. are producing
D. are being produced
