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【单选题】
函数曲线的导数为零的点是A.
一定是拐点
B.
可能是拐点
C.
一定不是拐点
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【简答题】In what ways has your job changed since you joined the company?
【简答题】试述开窍药的主要功效、适用范围、使用注意
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【单选题】Since you changed lanes without signaling, you are as much ________ for the accident as the other driver.
A.
to be blamed
B.
for blaming
C.
blamed
D.
to blame
【单选题】某工程项目施工中，在进行地下一层冷水机组吊装时．发生了设备坠落事故。设备机组重4t，采用人字桅杆吊运，施工人员将设备运至吊装孔滚杆上，再将设备起升离开滚杆20cm，将滚杆撤掉。施工人员缓慢向下启动滑轮组时，滑轮组的销钉突然断开，致使设备坠落，造成损坏，直接经济损失30万元。经过调查，本次事故主要是由于安全检查不到位引起的。施工人员在吊装前没有对吊装索具进行详细检查，没有发现滑轮组的销钉已被修理过，...
A.
安全帽
B.
安全带
C.
安全网
D.
安全通道
【简答题】阅读理解。 On a small farm in Mexico, there are no schools. A bus is a school! The driver of the bus is the teacher! It is a school bus, but it does not take the children to school. It just goes round fro...
【单选题】This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you ...
A.
Ann wants us to meet her at the bus station.
B.
We want to meet Ann.
C.
Ann met us at the bus station.
D.
We met Ann at the bus station.
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