【单选题】—He’s seldom asked to speak at the meeting, _ _____ _he_? —_ _____ __, many times.
【单选题】Though he failed many times in election, he never lost _____ heart and at last he was elected _____ president of the USA. [ ] A. /; a
【单选题】Though he failed many times in the election, he never lost _______ heart and at last was elected _________President of the USA. A./;a
【判断题】同步带工作时带与带轮之间会产生相对滑动。
【单选题】After he had failed many times, he still said he wouldn ’t _____ the programme.
【单选题】Though he failed many times in election, he never lost______ heart and at last he was elected_______ President of the USA. A. the ; a
【单选题】Her room is beautiful. But I don’t think her room is bigger than _______.
【判断题】同步带传动在工作时带与带轮之间会产生相对滑动。 ( )
【判断题】在航海应用上计算真航向时,用查表法消除陀螺罗经速度误差的方法是不够准确的。
【判断题】连接数据库的字符串可以保存在web.config文件的Connectionstring配置节中。