.美国新经济的主要特征是（ ） A.信息化和全球化 B.范围广、影响大 C.信息化和效率化 D.高速度、低失业率
在某次测验中，有6位同学的平均成绩为75分．用表示编号为的同学所得成绩，且前5位同学的成绩如下： 编号n12345 成绩7076727072 （1）求第6位同学成绩，
He insisted that he _______ nothing wrong and that he _______ now. A. did, be freed B. had done, would be freed C. should do, should be freed D. sh
氧气是我们身边常见的物质。以下关于氧气的叙述正确的是 A．空气中含量最多的气体为氧气 B．用带火星的木条可以检验氧气 C．鱼、虾能在
Only when I woke up______ what had happened. A. I knew B. I did know C. did I know D. had I known
（2013浙江省嘉兴市质检） 风速仪的简易装置如图（甲）所 示，风杯在风力作用下带动与其 固定在一起的永磁铁转动，线圈中的感应电流随风速的变化
–Would you mind opening the window? --___________. A. Never mind B. Yes, please C. No, go ahead D. Certainly not
完形填空。Life is not easy, so I’d like to say “When anything happens, believe in yourself.”When I was a young boy, I was _1_shy to talk to anyone. My classmates often _2_me. I was sad but
