题目内容

The developed nations will make more efforts to increase their population growth.

A. Y
B. N
C. NG

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《电气装置安装工程高压电器施工及验收规范》规定，设备及器材在安装前的保管期限应为()年及以下。

A. 1
B. 2
C. 3
D. 4

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听力原文：W: Didn't David tell you that he wanted to get a ride with us to the national park this weekend？ Will that be all right？
M: Well, it is still not clear whether we'll have the room for one more person.
Q: What does the man mean？
(14)

A. He wants to make sure the weather is clear.
B. He doesn't know if they can get a room for David.
C. He isn't sure that there'll be a seat for David.
D. He wants David to talk with him.

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利用()可调整设备的水平度，并能把设备的质量、工作荷载和拧紧地脚螺栓产生的预紧力，均匀传递给基础。

A. 地脚螺栓
B. 垫铁
C. 设备支承
D. 调整空气间隙

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分析异步电动机运行情况的重要参数是()。

A. 转差
B. 转速
C. 同步转速
D. 转差率

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The developed nations will make more efforts to increase their population growth.

A. Y B. N C. NG

《电气装置安装工程高压电器施工及验收规范》规定，设备及器材在安装前的保管期限应为()年及以下。

听力原文：W: Didn't David tell you that he wanted to get a ride with us to the national park this weekend？ Will that be all right？M: Well, it is still not clear whether we'll have the room for one more person.Q: What does the man mean？(14)

利用()可调整设备的水平度，并能把设备的质量、工作荷载和拧紧地脚螺栓产生的预紧力，均匀传递给基础。

分析异步电动机运行情况的重要参数是()。

A. Y
B. N
C. NG

听力原文：W: Didn't David tell you that he wanted to get a ride with us to the national park this weekend？ Will that be all right？
M: Well, it is still not clear whether we'll have the room for one more person.
Q: What does the man mean？
(14)