搜题请搜索小程序“爱下问搜题”
问题 判断题

车木加工坯料的粗车削方法：粗车削使用圆车刀，开始时车刀与坯料的接触面不能过大，刀身与杆件成约60°角，车刀吃木不要时多时少，车刀沿杆件移动的速度均匀。

答案

参考答案：错

阅读理解

阅读理解。

     This is a girl. Her name is Cathrine. She has a cat. It's an English cat. Her friends are Amy and Barbara.

They have cats, too. They are Chinese cats. The English cat is four years old. The Chinese cats are both (都)

two. They all(都) like their cats.

     Now they can't see their cats. They think their cats are in the tree(在树上). They go there and carry (抱)

them down.

1. Cathrine has a good _____ cat.

A. English

B. Chinese

C. American

2. Cathrine has _____ friends.

A. one

B. two

C. three

3. The English cat is _____ and the Chinese cats are _____.

A. two, two

B. two, four

C. four, two

4. _____ are in the tree.

A. The cats

B. Cathrine

C. The English cat

5. — Do they like their cats?

    — ______.

A. No, they don't.

B. Yes, they do.

C. Yes, they don't.

查看答案
问答题 简答题

为什么发生冒顶、片帮时必须停止采煤机并及时移架？
查看答案