Why should you update your emergency disk before installing a program?
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1 .Paragraph 4 _______________.
A The harm of stress B How much stress a person can withstand C Our body’s reaction to stress D The forms and use of stress E How to deal with stress F Blood pressure and stress
2 .A necessary cause is __________.
A one without which it is impossible for the effect to occur. B one of the causes that can produce the effect C one that is enough to make the effect occur D none of them
3 .下列各项中，属于企业资产范围的有（ ）。
A 经营方式租入的设备 B 根据合同已经售出，但尚未运离企业的商品 C 分期付款方式购入固定资产 D 工程物资
4 .Before you download anything from the Internet, you should first of all ________.
A make sure that you have installed anti-virus program B make sure that you have updated your backup C create a directory to store your downloads D make sure that you have cleaned up your disk space.
5 .依据现行规定，下列说法中正确的有（ ）。
A 利得和损失可能会直接计入所有者权益 B 利得和损失最终会导致所有者权益的变动 C 利得和损失一定会影响当期损益 D 利得一定会导致经济利益的流入，损失不一定会导致经济利益的流出
7 .What is C drive usually used to keep?
A Downloaded programs B Games C Graphics and Sounds D System files.
8 .If you want to download a certain program, which of the following sites would you most likely search?
A Sites ended with . ZIP B Sites ended with . EX C Sites named softseek. Com D Sites named download. com
9 .Which of the followings should not be deleted while cleaning up disk space?
A . ZIP file B . EXE. file C . TEMP file D Application file
10 .In the first paragraph the word “commercial” means______________.
A have to do with advertising products on TV B having to do with advertising products on TV C large- scale D artistic
