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问题 单项选择题

锉削球面时，锉刀要完成（），才能获得要求的球面。

A．前进运动和锉刀绕工件圆弧中心的转动

B．直向、横向相结合的运动

C．前进运动和绕锉刀中心线转动

D．前进运动

答案

参考答案：B

填空题

根据句意和首字母提示补全单词。

l. Most a_____ happen in the kitchen and bathroom.

2. Many people hurt t_____ by falling off chairs.

3. Keep the floor dry, then you won't s_____  and hurt.

4. Be careful with k_____. Many people cut themselves in the kitchen.

5. Don't leave young children a_____  in the bathtub.

6. Keep soap in a soap dish, not on the e_____  of the bathtub.

7. Never leave small children along in a bathtub. Children may d_____  in bathtubs.

8. Mary isn't in the classroom. Let's ask Jenny i_____.
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单项选择题

已移交社会化管理的抚恤人员死亡后其家属应按规定向退管机构提供死亡证明材料，并携带死亡证明等材料到社保经办机构办理一次性丧葬补助费（）。

A、全市上年度职工月平均工资2个月的标准

B、500元

C、全市上年度职工月平均工资1个月的标准
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