【简答题】A.One is safe if he is very careful. B.Hi-tech safety equipment ensures one's safety. C.A lot of people do rock-climbing and they are OK. D.There are no erous places nearby to do rock-climbing.
【单选题】乘坐国内航班离站的散客旅游者,如果从大型机场起飞应提前()到达机场
【判断题】高尔基复合体可进行蛋白质加工、修饰、浓缩和运输。
【单选题】I couldn’t afford the ticket, so I had to watch the __________TV broadcast of Sun Nan’s concert at home.
【单选题】Nuclear energy is an efficient and convenient substitute for conventional forms of energy which were found in special geographical locations. Large amounts of 【B1】______ and effort are required to 【B2...
【单选题】I know “time is knowledge”, but I never seem to have enough of ____. So I am working hard to save them.
【单选题】I study hard ________ I may not fail in the examinations. [ ]
【单选题】《落花生》是我国20世纪20年代难得的儿童散文佳作,作者是( )
【单选题】I had trouble in understanding the French, so I got the English ______ of the book from the library and read it.