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问题 单项选择题

欲使接触器KM1动作后接触器KM2才能动作，需要（）。

A、在KM1的线圈回路中串入KM2的常开触点

B、在KM1的线圈回路中串入KM2的常闭触点

C、在KM2的线圈回路中串入KM1的常开触点

D、在KM2的线圈回路中串入KM1的常闭触点

答案

参考答案：C

解答题
计算：
（1）-
1
3
×(-3)+(-
1
5
)×5
（2）(
2
3
-
11
12
-
14
15
)×(-60)
（3）-1
3
4
-(-
1
8
)+3
3
8
+(-2
1
4
)
（4）-42÷(-
1
2
)÷(-1)7+(1
1
8
+1
1
3
-
3
4
)×24．
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填空题

选词填空。

1. French food like bread and cakes is famous around the world, and __________ (other, the other)

    French products are also popular.

2. EuroDisney is only an hour __________ (far, away) from the centre of Paris.

3. Let's __________ (hang, put) the blanket on the floor.

4. Don't switch __________ (off, on) the fan. It's not hot in the room at all.

5. Look! The kind policewoman is taking a blind man __________ (across, through) the street.

6. The pizza __________ (tastes, is tasted) horrible.

7. When the alarm clock went __________(out, off), Judy was dreaming about flying.

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