单项选择题：煤矿常用的温度传感器的检测元件为（）。A、热电偶 B、热敏电阻 C、半导体PN结 D

题型：单项选择题

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I remember that when I was in my teens, I used to go against many of the Dos and Don'ts my

parents taught me.For example, when I kept playing jazz records on the player, my father would

think of such music as making noise and replace them with disks of classical music that I always

considered extremely dull.

My mom and dad were also very particular about the friends I went out with, always saying that

"One rotten (腐烂) apple could ruin a whole barrel of apples". When I insisted on sleeping with my

pet dog, they immediately said NO because they thought that I would be bitten by fleas (跳蚤).

These are just a few examples of many of the things that I thought my parents were unreasonable

about.Today, however, I am a father of a boy of sixteen, and I find that I, too, am pressuring my son

with a lot of rules that he seems to find hard to accept.The other day, I noticed that my son's hair was

too long, so I told him to go to the barber's and get it cut short.Usually, he is fairly obedient, but this

time he put_his_foot_down."What's wrong with my long hair?I don't think you have the right to order

me to cut it short, even if you're my father!"

When I was a boy, if I had spoken in such a way to my father, he would have taught me a good

lesson.But now we are living in a world with more freedom.My son's insistence on wearing his long

hair was only an example of the generation gap that existed between us.So I tried to be more

understanding and now he still wears his long hair.

1. The writer's parents thought it proper for him to________.

A. sleep with his pet dog

B. listen to jazz

C. be careful about making friends

D. wear long hair

2. Which of the following is true?

A. The writer gave more freedom to his son.

B. The writer's son often went against him.

C. The writer always obeyed his parents as a child.

D. The writer liked wearing long hair.

3. The underlined phrase "put his foot down" in the third paragraph means ________.

A. obeyed

B. insisted

C. accepted

D. left

4. The writer thinks that________.

A. parents should be more strict with their children

B. no generation gap exists between parents and children

C. parents have the right to order their children

D. parents should show more respect to their children

查看答案

煤矿常用的温度传感器的检测元件为（）。A、热电偶 B、热敏电阻 C、半导体PN结 D