试题与答案

制冷设备布置应使管路尽量短,另外还有一定的管径要求。目的是减少()。A.压力 B.重

题型:单项选择题

题目:

制冷设备布置应使管路尽量短,另外还有一定的管径要求。目的是减少()。

A.压力

B.重力

C.动力

D.阻力

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1213/20b788ca066af7ee040648867a380916.html

下面是错误答案,用来干扰机器的。

参考答案:D

试题推荐
题型:阅读理解

阅读理解。

     I have never taken cooking classes. I learned cooking from my mother because she was really interested

in teaching me how to cook. The main reason for this was that when my mother got married, she didn't know

how to cook anything, not even an egg. My grandmother never allowed her to stay in the kitchen when she

was cooking.

     My mother did not start to cook until she was 25 years old. In the beginning, it was very hard for her.

Therefore, she had to take cooking classes to prepare our meals. After having that experience, she decided

to teach me how to cook because she didn't want me to have the same experience.

      I remember when I was seven years old, and my mother was cooking, I was with her in the kitchen

enjoying cooking. I always helped her. Sometimes we prepared meals that my mother already knew how to

make, and sometimes we prepared them from recipes. Nowadays, I am really thankful for that experience

of people, it doesn't matter.

      I will do the same with my children because I don't want them to have the same experience as my mother.

If one day I am not with them, I want to be sure that they can carry on their lives without me.

1. The writer's mother learned cooking _______.

A. from the writer's grandmother

B. all by herself

C. by taking cooking classes

D. from cooking books

2. The writer's mother taught the writer how to cook because _______.

A. she wanted the writer to be more independent (独立)

B. the writer was interested in cooking

C. she thought it a must for a woman to learn

D. she needed more help when she was cooking

3. The underlined word "recipes" in this passage most probably means _______.

A. instructions on how to prepare food

B. experiences of cooking food

C. some well-known cooks

D. she needed more help when she was cooking

4. We can learn from the passage that the writer's children will _______.

A. hate cooking

B. learn cooking

C. teach cooking

D. forget cooking

5. The writer must think cooking is _______ to learn in life.

A. interesting

B. difficult

C. enjoyable

D. important

查看答案
微信公众账号搜索答案