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【简答题】
在材料、热处理及几何参数均相同的直齿圆柱、斜齿圆柱和直齿圆锥三种齿轮传动中,承载能力最高的是斜齿圆柱齿轮传动,承载能力最低的是( )齿轮传动。 ( )。
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举一反三
【单选题】Reading Comprehension Directions:There are two passages in this part. Each passage is followed by some questionsor unfinished statements. For each of them there are four choices marked A,B,C and D.You...
A.
he would be away from home for four days
B.
he would be back in seven days
C.
he would be back in a month
D.
he liked a cup of tea
【简答题】La joven escritora quería visitar la zona minera. Allí varios de sus familiares sufrieron en carne propia la injusticia social.
【判断题】骨折现场急救的第一步是把幼儿快速送到医院。
A.
正确
B.
错误
【多选题】某储运公司仓储区占地300m×300m,共有8个库房,原用于存放一般货物。3年前,该储运公司未经任何技术改造和审批,擅自将1号、4号和6号库房改存危险化学品。 2008年3月14日12时18分,仓储区4号库房内首先发生爆炸,12min后,6号库房也发生了爆炸,爆炸引发了火灾,火势越来越大,之后相继发生了几次小规模爆炸。消防队到达现场后,发现消火栓不出水,消防蓄水池没水,随后在1km外找到取水点,并...
A.
火灾爆炸中毁损的财产
B.
消防抢险费用
C.
伤员救治费用
D.
周边河流因事故污染治理费用
E.
库房员工因工伤歇工工资
【简答题】副矿物( Accessory minera )
【单选题】Reading Comprehension Directions:There are two passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A,B,C and D.Yo...
A.
To tell the reader her life story.
B.
To tell people how she brought up her children.
C.
To let people know how rich she was.
D.
To introduce her ideas to the reader.
【单选题】The scientists found what the isolated roots need is ______.
A.
quite natural
B.
sugar, minerals and vitamins
C.
some rare vitamins
D.
organic nitrogen compounds
【简答题】外墙接近室外地面的部位称作_________,是墙身受水浸害较严重的部。(3分)
【简答题】外墙接近室外地面的部位称作__________,是墙身受水浸害较严重的部。
【单选题】An audience's disposition toward a topic will typically include each of the following EXCEPT ()
A.
Knowledge.
B.
Interest.
C.
Attitude.
D.
Stability.
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