题目内容

普通车床电气控制，正确的说法有

A. 主运动控制可能有正反转
B. 冷却泵控制可能有正反转
C. 快速移动控制采用点动控制
D. 冷却泵在主运动开始后才可以工作

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CA6140普通车床控制电路中，刀架快速移动电动机未设过载保护，是由于该电动机容量太小。

A. 对
B. 错

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In one win-win situation, people use a website in some way and are exposed to the sponsor’s advertising. What does the phrase “win-win situation” refer to?

A situation which is beneficial for a limited number of people
B. A situation that no one wins
C. A situation that can be won.
D. A situation that is good for everyone involved;

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James had often been _____ his older brother Jack.

A. taken for
B. known for
C. famous for
D. mistaken for

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(In Unit 5, text B) The scams are usually easy to spot. What does the word"spot" mean in this sentence.

A. a small dirty mark
B. a particular place
C. see or notice
D. to understand

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普通车床电气控制，正确的说法有

A. 主运动控制可能有正反转 B. 冷却泵控制可能有正反转 C. 快速移动控制采用点动控制 D. 冷却泵在主运动开始后才可以工作

CA6140普通车床控制电路中，刀架快速移动电动机未设过载保护，是由于该电动机容量太小。

In one win-win situation, people use a website in some way and are exposed to the sponsor’s advertising. What does the phrase “win-win situation” refer to?

James had often been _____ his older brother Jack.

(In Unit 5, text B) The scams are usually easy to spot. What does the word"spot" mean in this sentence.

A. 主运动控制可能有正反转
B. 冷却泵控制可能有正反转
C. 快速移动控制采用点动控制
D. 冷却泵在主运动开始后才可以工作