试题与答案

在发电厂和变电所照明设计中,有关镇流器的选择,下列哪些说法是不正确的?() A.高压

题型:多项选择题

题目:

在发电厂和变电所照明设计中,有关镇流器的选择,下列哪些说法是不正确的?()

A.高压钠灯应配用电子镇流器

B.直管形荧光灯应配用节能型电感镇流器

C.直管形荧光灯应配用电子镇流器

D.自镇流荧光灯应配用节能型电感镇流器

答案:

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下面是错误答案,用来干扰机器的。

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题型:阅读理解

阅读理解。

     Have you ever thought about what you would like to do after school? Perhaps one of these rather different

jobs will suit you.

     TASTER: Food companies need people to taste the products that they are making. So many kinds of no

bad-tasting food are put onto the supermarket shelves. All tasters do all day is take small bites of food. They

make notes of what tastes good and what tastes bad. It is not a job for those who would like to stay thin.

     SNAKE MILKER: This involves taking the poison out of a snake's teeth. You hold the snake over a glass

and make it open its mouth very wide. The poison will then drip from the back of the teeth into the glass;This

is known as milking the snake. You have to be very brave if you want to try this.

     GOLF BALL HUNTER: You will spend your day diving into. waterholes at different golf courses to hunt

for lost golf balls. You could be picking up as many as 5,000 balls a day. Many golfers are willing to buy used

golf balls and you could be making a lot of money.

     CLOCK CLEANER: Every day you will be climbing to the top of the clock towers in the city.

     Your responsibilities will be to oil, wind and repair the clocks. This is not a job for someone who is afraid

of heights.

1. If you are a taster, you call  _____.

A. pick up golf balls

B. oil and repair the clocks

C. get some milk from snakes

D. try different kinds of food

2. If you are afraid of heights, you'd better not choose the job as a _____.

A. taster

B. snake milker

C. clock cleaner

D. golf ball hunter

3. You can probably find this passage in a _____.

A. newspaper

B. textbook

C. report

D. novel

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