阅读理解。 Lifts are very useful. Why? Think

题型:阅读理解

问题:

阅读理解。

      Lifts are very useful. Why? Think about a tall building. You work on the thirtieth floor. Maybe you can walk

up all the stairs one time. But can you climb thirty floors to your office every day? Of course not.

      In an old lift, a worker is needed. He or she operates it up and down. In a modern lift, there is no worker.

People can operate it themselves.

      Do you know how to use a lift? OK, let me tell you. For example, you want to go to the twelfth floor from

the ground floor. First, you must press the button (按键)▲, then the door opens. After that you can get into the

lift. Third, you press the , and the door closes. Fourth, you press the number 12, then the lift takes you

up to the twelfth floor. When the door opens again, you can get out of the lift. If you want to go down to the

first floor, you must press the▼, then do the same. It takes you down there. It is very easy and fast. Now can

you use it?

根据短文内容,判断下列句子正误,正确的写“T”,错误的写“F”。

( ) 1. In a modern lift, people can operate it by themselves.

( ) 2. If you want to go upstairs, you must press the ▼.

( ) 3. If you want to go down to the first floor, you must press the ▲.

( ) 4. In a tall building, it is very easy and fast for you to go up and down in a lift.

( ) 5. Lifts are just used for the old people to go up and down in a tall building.

考点:日常生活类阅读
题型:阅读理解

氢火焰离子化检测器具有的特点是()

A.响应速度慢

B.能检测所有样品

C.属于非选择性的检测器

D.灵敏度高

E.检测过程中不破坏样品

题型:阅读理解

水准仪的水准管轴平行于视准轴是水准仪各轴线之间必须满足的主要几何条件。

题型:阅读理解

典型的子宫破裂体检,可发现()

A.腹壁下清楚地扪及胎体

B.听不到胎心音

C.能触及子宫轮廓

D. * * 少量流血

E.腹部柔软

题型:阅读理解
不定项选择
我国《道路交通安全法》规定:各种小型车辆前排乘坐的人(包括司机)系好安全带,这是因为(   )
A.系好安全带可以减小人的惯性

B.系好安全带可以减小车的惯性

C.系好安全带是为了增大人与座椅间的摩擦力

D.系好安全带可以防止因人的惯性而造成的伤害

题型:阅读理解

罗茨风机出口与管道之间设有(),消除机组振动及热变形影响。

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