简述仪表的设计。

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问题:

简述仪表的设计。

考点:人因工程学人因工程学题库
题型:问答题 简答题
阅读理解。
    Raising pets is a popular online game among teenagers. "More than 20 of my classmates have adopted(领养) pets online." Said Wang Hui from Beijing.
    If you go to some websites, you can adopt virtual(虚拟的) pets like penguins(企鹅), chickens, dogs
and elephants. You can feed, wash, talk to and play with your pet.
    Dai Yingshuang of  Shanghai said, "It's great fun and I have also learned how to take care of others."
She usually asks her uncle to take care of her pet while she is at school.
    If you don’t feed and care for the pet, it will become unhappy and unhealthy. So raising an online pet
means spending a lot of time online. This makes many parents worried. They fear it will have a bad
influence on the children’s studies.
    Wang Zhaotong from Anhui has raised a penguin since last year. She said, "My parents know about
the penguin and think it's okay."
    If the students can keep the balance between studying and playing, it's not bad for them to "raise" pets
online.
1. Over ______ students in Wang Hui’s class have adopted pets online.
A. 10
B. 20
C. half
2. What does Dai Yingshuang think of raising pets online?
A. It's great fun.
B. It wastes time.
C. It's not interesting.
3. Which of the following is Not Right according to the passage?
A. Raising an onlie pet doesn't mean spending lots of time online.
B. If you don’t feed the pet, it will become unhappy and unhealthy.
C. Raising pets online makes many parents worried.
4. What does the underline “balance” mean?
A. 余额
B. 平衡
C. 结算
5. What does the passage mainly talk about?
A. It's bad to raise pets online.
B. How to raise pets online.
C. Raising pets online is popular among teenagers.

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关税税则

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下列概念,前者从属于后者的,即有如图所示的关系的是()

A.单质、化合物 

B.单质、纯净物

C.氧化反应、化合反应 

D.纯净物、混合物

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性别控制在生产中有何意义?并举例说明

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公益信托终止的,受托人应当于终止事由发生之日起()内,将终止事由和终止日期报告公益事业管理机构。

A.十日

B.十五日

C.二十日

D.三十日

E.六十日

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