满分5 > 初中英语试题 >

Computers can injure (伤害) you. Most othe...

Computers can injure (伤害) you. Most other injuries happen suddenly. For example, if you fall over a bike and break your arms, it happens very     . But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely.

Your eyes      light can injure your eyes,     never sit too close to a computer screen. Your eyes should be          50 centimeters(厘米)from the screen.    remember to look away from it. This gives your eyes a rest. When you use a computer, the window           be on your left or your right. If it is behind you, the light will reflect on(反射)the screen. If the window is in front of you, the sun and the screen will         shine into your eyes.

Your hands and wrists(手腕)

Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time,           these three rules 1)Rest your wrists on some­thing. 2)Keep your elbows(肘)at the same height as the keyboard. 3)Stop sometimes and exercise your hands, wrists and fingers in a different way.

Your back

Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel(平行)to the floor. If you are sitting for a long time, get up every 30 minutes and        your arms, legs and neck.           your computer, but use it safely.

1.A. much quickly B. faster          C. slowly           D. quickly

2.A. Too many B. Too much         C. Much too       D. Many more

3.A. so B. because             C. but           D. when

4.A. at last B. at most             C. at least          D. less than

5.A. Sometime B. Some time         C. Some times      D. Sometimes

6.A. can B. may              C. must            D. should

7.A. both B. never               C. all           D. neither

8.A. follow B. work               C. copy        D. write

9.A. need  B. exercise             C. walk           D. shake

10.A. Enjoy      B. Watch             C. Protect        D. Keep

 

1.D 2.B 3.A 4.C 5.D 6.D 7.A 8.A 9.B 10.A 【解析】 试题分析:这篇短文讲述的是电脑能给我们的身体带来很多伤害,这些伤害的发生非常慢,所以不会一下子显现出来。电脑会伤害我们的哪些身体部位,我们如何安全的使用电脑,作者给我们提出了一些建议。 1.D考查副词及语境的理解。句意:例如你从自行车上摔下来,摔断了胳膊,这样的伤害发生的非常快。much quickly 这个短语形式不对,much不能修饰副词原级;faster 更快的;slowly 慢的;quickly快的。根据下句话But computer injuries happen slowly可知,计算机对人体的伤害是很慢的,故这里作者举的例子是告诉我们,从自行车上摔下来这种伤害发生的很快。故选D。 2.B考查副词及语境的理解。句意:太多的光会伤害你的眼睛。Too many 太多,修饰可数名词;Too much 太多,修饰不可数名词;Much too 太,修饰形容词或副词;Many more更多。空后面的light是一个不可数名词,根据句意可知选B。 3.A考查连词及语境的理解。句意:太多的光会伤害你的眼睛,因此不要坐得离电脑屏幕太近。so 因此,所以;because 因为;but 但是;when当……时候。根据句意可知选A。 4.C考查介词短语及语境的理解。句意:你的眼睛离电脑屏幕至少要有50厘米。at last 最后;at most至多,不超过; at least 至少;less than少于。根据上文的意思可知,离电脑屏幕太近会伤害眼睛,所以我们要离屏幕至少有50厘米的距离,故选C。 5.D考查副词及语境的理解。句意:有时候要记得让眼睛离开屏幕一下。这样可以让眼睛休息一下。Sometime 某时;Some time 一段时间;Some times 一些次;Sometimes有时候。根据文意可知,要让眼睛适当的休息一下,所以有时需要让眼睛离开屏幕,故选D。 6.D考查情态动词及语境的理解。句意:当你使用电脑的时候,窗户应该在你的左边或右边。can 能,会;may 可以,可能;must 必须;should应该。根据文意可知,这篇短文是作者对安全使用电脑,给我们提出的一些建议,故应该选D。 7.A考查不定代词及语境的理解。句意:如果窗户在你的前面,太阳和屏幕都会照射你的眼睛。both两者都; never 从不;all 所有的;neither两者都不。根据文意可知,如果窗户在你的前面,那么太阳光和屏幕都会照射你的眼睛,这里说的是两者都,故选A。 8.A考查动词词义辨析及语境的理解。句意:如果你长时间使用键盘,遵循以下的这些规则……。follow 遵循;work 工作;copy 抄写,复制;write写。根据文意可知,follow the rules是遵循规则的意思,故选A。 9.B考查动词及语境的理解。句意:如果你坐了很长时间,每30分钟站起来一次,锻炼一下你的胳膊、腿和脖子。need 需要;exercise 锻炼;walk 走路;shake摇动。根据文意可知,这里是锻炼一下胳膊、腿和脖子,故选B。 10.动词及语境的理解。句意:享受在电脑前的时光,但是要安全的使用它。Enjoy享受,喜欢;Watch 观看;Protect 工程;Keep保持。根据文意可知,我们可以使用电脑做很多事情,但是一定要安全的使用它,不要让它伤害我们的健康。故选A。 考点:科普类短文。
复制答案
考点分析:
相关试题推荐

--Which month has______ days in a year?     ----February.

A. few            B. little

C. the fewest       D. the least

 

查看答案

When something_______ me, I always feel_______.

A. worry; worried      B. worries; worry

C. worries; worried        D. worried; worries

 

查看答案

---Don’t play with fire. It’s dangerous.

--- __________

A. Yes, I do  B. Yes, I will

C. No, I don’t  D. Sorry, I won’t

 

查看答案

---Are you the same weight as Tom?

----No, I am not _____ Tom.

A as same heavy as         B, as same as

C. so heavy as      D. the same heavy as

 

查看答案

Daniel, _______the other boys in our class, _______playing football.

A. like; likes   B. like; like

C. likes; likes D. likes; like

 

查看答案
试题属性

Copyright @ 2008-2019 满分5 学习网 ManFen5.COM. All Rights Reserved.