Question

【題目】Computers can injure (傷害) 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

Answer 1

【答案】

【1】D

【2】B

【3】A

【4】C

【5】D

【6】D

【7】A

【8】A

【9】B

【10】A

【解析】

試題分析：這篇短文講述的是電腦能給我們的身體帶來很多傷害，這些傷害的發(fā)生非常慢，所以不會(huì)一下子顯現(xiàn)出來。電腦會(huì)傷害我們的哪些身體部位，我們?nèi)绾伟踩�的使用電腦，作者給我們提出了一些建議。

【1】D考查副詞及語(yǔ)境的理解。句意：例如你從自行車上摔下來，摔斷了胳膊，這樣的傷害發(fā)生的非�？�。much quickly 這個(gè)短語(yǔ)形式不對(duì)，much不能修飾副詞原級(jí)；faster 更快的；slowly 慢的；quickly快的。根據(jù)下句話But computer injuries happen slowly可知，計(jì)算機(jī)對(duì)人體的傷害是很慢的，故這里作者舉的例子是告訴我們，從自行車上摔下來這種傷害發(fā)生的很快。故選D。

【2】B考查副詞及語(yǔ)境的理解。句意：太多的光會(huì)傷害你的眼睛。Too many 太多，修飾可數(shù)名詞；Too much 太多，修飾不可數(shù)名詞；Much too 太，修飾形容詞或副詞；Many more更多�？蘸竺娴膌ight是一個(gè)不可數(shù)名詞，根據(jù)句意可知選B。

【3】A考查連詞及語(yǔ)境的理解。句意：太多的光會(huì)傷害你的眼睛，因此不要坐得離電腦屏幕太近。so 因此，所以；because 因?yàn)�；but 但是；when當(dāng)……時(shí)候。根據(jù)句意可知選A。

【4】C考查介詞短語(yǔ)及語(yǔ)境的理解。句意：你的眼睛離電腦屏幕至少要有50厘米。at last 最后；at most至多，不超過； at least 至少；less than少于。根據(jù)上文的意思可知，離電腦屏幕太近會(huì)傷害眼睛，所以我們要離屏幕至少有50厘米的距離，故選C。

【5】D考查副詞及語(yǔ)境的理解。句意：有時(shí)候要記得讓眼睛離開屏幕一下。這樣可以讓眼睛休息一下。Sometime 某時(shí)；Some time 一段時(shí)間；Some times 一些次；Sometimes有時(shí)候。根據(jù)文意可知，要讓眼睛適當(dāng)?shù)男菹⒁幌拢�所以有時(shí)需要讓眼睛離開屏幕，故選D。

【6】D考查情態(tài)動(dòng)詞及語(yǔ)境的理解。句意：當(dāng)你使用電腦的時(shí)候，窗戶應(yīng)該在你的左邊或右邊。can 能，會(huì)；may 可以，可能；must 必須；should應(yīng)該。根據(jù)文意可知，這篇短文是作者對(duì)安全使用電腦，給我們提出的一些建議，故應(yīng)該選D。

【7】A考查不定代詞及語(yǔ)境的理解。句意：如果窗戶在你的前面，太陽(yáng)和屏幕都會(huì)照射你的眼睛。both兩者都； never 從不；all 所有的；neither兩者都不。根據(jù)文意可知，如果窗戶在你的前面，那么太陽(yáng)光和屏幕都會(huì)照射你的眼睛，這里說的是兩者都，故選A。

【8】A考查動(dòng)詞詞義辨析及語(yǔ)境的理解。句意：如果你長(zhǎng)時(shí)間使用鍵盤，遵循以下的這些規(guī)則……。follow 遵循；work 工作；copy 抄寫，復(fù)制；write寫。根據(jù)文意可知，follow the rules是遵循規(guī)則的意思，故選A。

【9】B考查動(dòng)詞及語(yǔ)境的理解。句意：如果你坐了很長(zhǎng)時(shí)間，每30分鐘站起來一次，鍛煉一下你的胳膊、腿和脖子。need 需要；exercise 鍛煉；walk 走路；shake搖動(dòng)。根據(jù)文意可知，這里是鍛煉一下胳膊、腿和脖子，故選B。

【10】A考查動(dòng)詞及語(yǔ)境的理解。句意：享受在電腦前的時(shí)光，但是要安全的使用它。Enjoy享受，喜歡；Watch 觀看；Protect 工程；Keep保持。根據(jù)文意可知，我們可以使用電腦做很多事情，但是一定要安全的使用它，不要讓它傷害我們的健康。故選A。