外研版（2019）必修3《Unit 5 What an adventure!》2021年同步練習(xí)卷（課文重難點(diǎn)）

Ⅰ.單詞拼寫

• 1．This stream is over 500 meters

  （寬）at its widest point.
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• 2．Mr Boucher said he was

  （無意識的）of any U.S.citizens being injured in the protests.
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  解析

• 3．Life is tough in the city.In order to lose their pressures，some people drink

  （酒）.
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• 4．When he was in that neighbourhood，he was getting on well with the

  （住戶）.
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Ⅱ.經(jīng)典句式

• 11．完全倒裝
  我頭頂上是平靜的海面。
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Ⅲ.七選五

• 12．Here are some easy steps for you to stay safe and secure on the Internet．
     （1）

  Never give out your full name，address and phone number，unless it is a safe site or it is a well- known site．
     Protect your money．Do not give out your card information unless it is a secure site．You can tell if the site is safe by looking at the lower pan of your screen．（2）

  If it is locked，the site is secure． "Unlocked" means that you should not give a card number．
     Don't believe "Get Rich Quick!" If it sounds too good to be true- it is!If you get an e-mail that says you can make thousands of dollars in a few days，it isn't true．Most likely it will cost you in the end．（3）

  
     A good virus scan （殺毒軟件）．Update your virus scan．（4）

  When you buy a virus scan，it may have been on the shelves for months，so you need to update it frequently．
     （5）

  Do not open e-mail attachments （附件） that are programs．Receiving these programs in e-mail is harmless，but opening and running them can be dangerous．
  
  A．There is a small lock．
  B．Stay away from these offers!
  C．New viruses come out daily．
  D．There are always some unsafe sites．
  E．Protect yourself from dangerous e-mail viruses．
  F．Don't give out personal information．
  G．Keep your main e-mail address private
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