皮皮学,免费搜题
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搜题
【单选题】
齿轮传动的特点主要有: 准确,传递功率、 速度范围大,传动效率高,寿命长,体积小,但易冲击振动有噪音,不宜远距离传动,且成本高。
A.
传动比
B.
动作
C.
距离
D.
传动力
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举一反三
【单选题】When you are in your room, leave the door ______ so that your visitors do not have to knock.
A.
open
B.
opened
C.
opening
D.
being open
【单选题】When I got home, I found the door open, a terrible thought ______ me—had any one broken into the house?
A.
beat
B.
knocked
C.
struck
D.
appeared
【单选题】下列关于运动的观点错误的是( )。
A.
物质是运动的
B.
运动是绝对的
C.
动是相对的
D.
世界上不存在不运动的物质
【单选题】Your shelf is _____________ the door. [     ]
A.
near
B.
in
【多选题】深化干部人事制度改革,要全面准确贯彻()方针,扩大干部工作民主,提高民主质量,完善竞争性选拔干部方式。
A.
民主
B.
择优
C.
竞争
D.
公开
【单选题】Ad Slogans How many times have you been in your car with your radio on, gotten out, and hours later, had some jingle (广告诗) playing in your head? This, my friends, is good advertising. That jingle was ...
A.
Y
B.
N
C.
NG
【判断题】第一讲计划 制定工作计划与方案,只要结合自身实际工作即可。
A.
正确
B.
错误
【单选题】新闻播音作为广播电视播出环节的最后一道关卡,一定要有()。
A.
新闻意识
B.
喉舌意识
C.
把关意识
D.
传播意识
【判断题】制定工作计划与方案,只要结合自身实际工作即可。()
A.
正确
B.
错误
【单选题】Ad Slogans How many times have you been in your car with your radio on, gotten out, and hours later, had some tingle(广告诗) playing in your head? This, my friends, is good advertising. That jingle was s...
A.
Y
B.
N
C.
NG
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