带传动的特点包括()。A.传动平稳无噪声 B.过载时不打滑 C.传动比稳定 D.结构

题型:单项选择题

问题:

带传动的特点包括()。

A.传动平稳无噪声

B.过载时不打滑

C.传动比稳定

D.结构尺寸小

考点:冷作钣金工冷作钣金工题库
题型:单项选择题

目前,美国经济增长中的主力军是[ ]

A.高新技术产业

B.建筑业

C.汽车制造业

D.钢铁工业

题型:单项选择题

用正确的单词补全对话

Tina: I have never been late for school. But yesterday morning. . .

John: What   1  ?

Tina: Well, first of all I   2  .

John: Did you have an alarm clock?

Tina: Yes, but it didn't   3_ By the time I got up, my brother had already   4   into the bathroom.

John: Oh, what a pity!

Tina: So, after he got out of shower, I   5   a quick shower and got dressed. But by the time I went

outside, the bus   6  .    

John: Oh, no! How did you go to school?

Tina: I ran all the   7   to school. But when I got to school, I   8   I had left my backpack at home.

John: You must be   9   for class, right?

Tina: You are right. I got to school very late. I   10   an apology to my teacher.

John: No wonder you look stressed out.

题型:单项选择题

投资建设项目管理的工作流程组织包括______。

A.信息处理工作流程组织

B.运营生产工艺流程组织

C.设计工作流程组织

D.物资采购工作流程组织

E.施工企业计划工作流程组织

题型:单项选择题

冰雪道路行车,由于积雪对光线的反射,极易造成驾驶人目眩而产生错觉。

题型:单项选择题

在毒理学中毒物的准确概念是()。

A.所有进入生物体的化学物质都是毒物

B.所有进入生物体引起DNA改变的物质都是毒物

C.各种治疗药物也都是毒物

D.以较小剂量进入生物体干扰正常生化和生理功能,引起病理改变的物质

E.以上都不对

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