脱水斗式提升机提升速度为0.16m/s和0.27m/s，安装倾角一般为多少

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问题单项选择题

脱水斗式提升机提升速度为0.16m/s和0.27m/s，安装倾角一般为多少之间？（）

A、55°～80°

B、55°～70°

C、50°～80°

D、50°～70°

答案

参考答案：B

句型转换

同义句转换。

1. We use words and body language to express our thoughts and opinions.

We express _____ _____ _____ words and body language.

2. He folded his arms in front of his chest and stood next to his daughter.

He stood next to his daughter _____ his arms _____ in front of his chest.

3. Looking into someone's eyes is a way to show that one is interested.

_____ _____ _____ is a way to show that one is in- terested.

4. In Russia, a visiting friend is often greeted with a kiss on the cheek.

In Russia, a friend who comes _____ _____ _____ is often greeted with a kiss on the cheek.

5. I'd like to take a rest. I am too tired to walk further.

I _____ _____ _____ a rest. I am too tired to walk further.

多项选择题

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A.资产配置

B.风险控制

C.风险识别

D.投资理财产品推荐

E.实现利润最大化