(   ) 3. ―Don't you know your computer has been infected with viruses?

一Really? No wonder it hasn，t        as well as before. Can you help deal with them?

A. appeared    B. operated    C. managed    D. controlled

3. B考查動(dòng)詞的詞義。appear出現(xiàn)，出場；operate 運(yùn)行，操作；manage設(shè)法做成，管理；control控制  掌管。句意：^"難道你不知道你的電腦讓病毒感染了嗎？——真的嗎？難怪它不如以前運(yùn)行得那么好，你能幫我處理一下嗎？

題目來源：高考丟分題英語 > Unit 4 Sharing

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

(   ) 1. ―Why did he        from the company?

       ―In order to get a more challenging job.

A. leave    B. resign    C. remove    D. retire

查看答案和解析>>

科目：高中英語 來源： 題型：

9. It is already 12:30 now，but dad hasn，t come back. He          the traffic jam on his way home. (catch)

已經(jīng)12點(diǎn)半了，爸爸還沒有回。他一定是在回家的路上遇到了交通堵塞。

查看答案和解析>>

科目：高中英語 來源： 題型：

4.1 still remember          the Summer Palace and what my parents and I saw there. (take)

我仍然記得我被帶到頤和園以及在那里父母和我所看到的一切。

查看答案和解析>>

科目：高中英語 來源： 題型：

It is difficult for doctors to help a person with a damaged brain. Without enough blood,the brain lives for only three to five minutes. More often the doctors can't fix the damage. Sometimes they are afraid to try something to help because it is dangerous to work on the brain. The doctor might make the person worse if he operates on the brain.

Dr. Robert White, a famous professor and doctor,thinks he knows a way to help. He thinks doctors should make the brain very cold. If it is very cold,the brain can live without blood for 30 minutes. This gives the doctor a longer time to do something for the brain.

Dr. White tried his idea on 13 monkeys. First he taught them to do different jobs,then he operated on them. He made the monkeys' blood go through a machine. The machine cooled the blood. Then the machine sent the blood back to the monkeys，brains. When the brain，s temperature was 10X,, Dr. White stopped the blood to the brain. After 30 minutes he turned the blood back on. He warmed the blood again. After their operations the monkeys were like they had been before. They were healthy and busy. Each one could still do the jobs the doctor had taught them.

(   ) 1. The biggest difficulty in operating on the damaged brain is that       

     A.  the time is too short for doctors

    B.  the patients are often too nervous

    C.  the damage is extremely hard to fix

    D.  the blood-cooling machine might break down

(   ) 2. The brain operation was made possible mainly by         .

     A.  taking the blood out of the brain

    B.  trying the operation on monkeys first

    C.  having the blood go through a machine

    D.  lowering the brain' s temperature

(   ) 3. With Dr. White' s new idea，the operation on the damaged brain          .

     A.  can last as long as 30 minutes

    B.  can keep the brain' s blood warm

    C.  can keep the patient，s brain healthy

    D.  can help monkeys do different jobs

查看答案和解析>>

科目：高中英語 來源： 題型：

(   ) 8. You should have warned the passengers it's very dangerous to        their hands when taking buses. If so,the accident would have been avoided.

A. stick out    B. knock out    C. stick to    D. throw out

查看答案和解析>>

科目：高中英語 來源： 題型：

5. The book            belongs to you. Don，t get it wrong. (cover)

封面是藍(lán)色的那本書是你的，別搞錯(cuò)了。

查看答案和解析>>

科目：高中英語 來源： 題型：

(   ) 10. In some countries, dependence on the car has become so strong that many people will drive even if their        is only half a mile away.

A. goal    B. range    C. routine    D. destination

查看答案和解析>>

科目：高中英語 來源： 題型：

28. When preparing for exams, perseverance and efficiency are "            to achieve good grades. (take)

當(dāng)為考試做準(zhǔn)備的時(shí)候，毅力和效率是獲得好成績所需的。

查看答案和解析>>

同步練習(xí)冊(cè)答案