问题 填空题

汽车用安全气囊控制器.(是带有加速度传感器等电子元器件和一个微处理器的电子控制单元)

答案

参考答案:31(9032.8900)

解析: 汽车用安全气囊控制器是一个电子控制单元,主要由一个装在金属外壳内的电路板构成,在该电路板上附着了主动性和被动性的电子元器件、加速度传感器和一个微处理。加速度传感器测量汽车碰撞后产生的负加速度,将取得的参数与微处理器中预设的引爆参数进行对比后发出电子信号,电子系统基于该电子信号决定是否引爆气囊。根据其功能原理,它符合第90章注释七关于品目 9032的规定:“液体或气体的流量、液位、压力或其他变化量的自动控制仪器及装置或温度自动控制装置,不论其是否依赖于电现象进行工作,这种电现象是被控因素变化的反映。”由此得知:它是一种自动控制的仪器或装置,故将其归入品目9032,因在该品目下未具体列名,故最终归入编码 9032.8900,其8位数字之和为31。

阅读理解

阅读理解。

      Fangfang, a 15-year-old Chinese girl, likes eating snacks very much. She prefers cream biscuits,

McDonald's food, KFC, and Beijing roast duck. Sometimes she eats two packages of biscuits a day. As a result,

she becomes overweight

      Today in China, there are many children like Fangfang. They like snacks. They don't eat enough healthy

foods like vegetables and fruit. It's very bad for their health. Poor eating habits are a serious problem.

      Health experts say that children should have healthy eating habits. First, they must eat regular meals and

begin with a good breakfast. Second, they should have different kinds of foods, such as fruit, vegetables, grain,

eggs, milk and meat and so on. Third, the children shouldn't eat too many snacks and fried foods. They are

delicious, but eating too much of them is unhealthy.

      If children do as the experts say, they won't become fat. They will be healthier. Students won't become

tired at school, and they will have enough energy to study well.

1. What does the underlined word "overweight" mean? [ ]

A. 聪明的

B. 懒惰的

C. 超重的

D. 痴呆的

2. Fangfang becomes overweight, because _____. [ ]

A. she is an American girl

B. she has a balanced diet

C. she likes eating snacks

D. she likes vegetables soup

3. What kind of food is good for your health? [ ]

A. Fast food.

B. Snacks.

C. Fried food.

D. Vegetables and fruit.

4. If students do as the experts say, they will ______. [ ]

A. become fatter and fatter

B. become more and more beautiful

C. have enough energy to study

D. be healthier and more tired

5. Which of the following is True? [ ]

A. Eating snacks is good for your health.

B. Fangfang doesn't like Beijng roast duck.

C. Fangfang comes from America.

D. Students shouldn't eat too much fried food.

多项选择题