After operation, we should stop the electric motor.（）

A、操作完后，我们要发动电动机。

B、操作完之前，我们要关掉电动机。

C、操作之前，我们要发动电动机。

D、操作完后，我们要关掉电动机。

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更多“After operation, we should stop the electric motor.（）”相关的问题

第1题

[单选题] 我们必须仔细使用每件工具并且用完后归还。（）

A、We must use all kinds of tools carefully and return it after using. B、We must use every tool carefully and return it after using. C、A+B D、We must use everything carefully and keep it after using.

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第2题

[单选题] 操作完后，关掉电动机。（）

A、After operation, start the electric motor. B、Before operation, stop the electric motor. C、Before operation, start the electric motor. D、After operation, stop the electric motor.

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第3题

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第4题

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第5题

[] We can finish this work （） a few hours.

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第6题

[] The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operation return code: OK Latest RTT (millisecs) 6 Tracked by: STATIC - IP - ROUTING 0 The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operatio

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第7题

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第8题

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第9题

[单选题] After operation, you should （）the motor.

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