【单选题】技师甲说:当主动齿轮比从动齿轮转得快时是减速;技师乙说:当从动齿轮比主动齿轮转的快时是超速。以下说法正确的是
【单选题】下列说法正确的是
B.
声调不是汉语音节必要的组成部分,有的音节可以没有声调
C.
构成调值的相对音高在读音上是跳跃的,中间可以有停顿,可以不连续
D.
成语“异口同声”四字的声调排列顺序是“去声、去声、阳平、阴平”
【单选题】大中型水电站的出力系数K的取值范围是 ( )。
【单选题】当浏览器第二次访问以下JSP网页时的输出结果是什么? ( ) a: b:
【判断题】使用机电设备可以不培训,只要懂安全操作规程即可上岗。
【多选题】That felicity, when I reflected on it, has induced me sometimes to say, that were it offered to my choice, I should have no objection to a repetition of the same life from its beginning, only asking t...
【多选题】The cook squatted in the bottom and looked with both eyes at the six inches of gunwale which separated him from the ocean. His sleeves were rolled over his fat forearms, and the two flaps of his unbut...
【单选题】当浏览器第二次访问以下JSP网页时的输出结果是什么?() a: b: