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问题 解答题
计算：
（1）-
1
7
-（-
2
7
）          
（2）-2.25-
1
4

（3）（-35）÷5        
（4）（-25）×（-4）
答案

（1）原式=-

1
7
+
2
7

=

1
7
；

（2）原式=-2

1
4
-
1
4

=-2

1
2
；

（3）原式=-7；

（4）原式=100．

填空题

用括号中所给单词的适当形式填空.

1. I'd like a pair of _____, please (shoe).

2. Don't forget _____ (lock) the door if you are the last person to leave.

3. They talked on and on very _____ (happy).

4. The best way _____ (improve) your English is to join an English club.

5. The _____ are building a tall building. (work)

6. She is 70years old.She _____ (use) to be a pilot.

7. This bag isn't Lucy's , It's _____ sister's . (she)

8. It _____ (seem) that Tom has changed a lot.

9. The first lesson is the _____ of all. (easy)

10. Have you _____ (do) your chores? We are _____ (leave) in an hour.
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多项选择题

根据普通住宅小区物业管理服务等级标准，所有服务等级都必须做到（）。

A．载人电梯24小时正常运行

B．每年至少1次征询业主的意见，满意率80%以上

C．消防设施设备完好，可随时启用；消防通道畅通

D．容易危及人身安全的设施设备有明显警示标志和防范措施

E．对可能发生的各种突发设备故障有应急方案
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