题目内容
Spam (垃圾邮件) mail is a fact of Internet life. Some of it carries bad things, but the main problem with spam is that it is unpleasant because it fills your mail box with pointless messages.
Most email programs have built-in filters (过滤器) that will discover unwanted messages and put them into a junk folder (垃圾文件夹). You can make the filter learn what you consider to be spam or block certain senders.
Avoid letting your email address appear on websites—spammers search the Internet for email addresses. Be careful who you give your email address to, and if you need to send out several copies of an email, use blind copy instead to cover the other people’s addresses.
Delete (删除) spam emails without opening them. Signs of possible spam are bad spelling in email headers, strange sender addresses, or emails sent at unusual hours. If you do open a spam mail, never reply to it or click on any pictures it may have.
If you receive an unexpected email pretending (伪装) to come from your bank, credit card company or other suppliers, be very careful. If the email asks you to reply, don’t do it! Instead, call up these places or visit their websites.
Consider setting up a second email address and keep one address for your personal use and another for your online communication.
1.What is the main problem with spam?
A. It’s everywhere. B. It carries bad things.
C. It’s unpleasant. D. It fills one’s mail box.
2.How many suggestions are there in the passage?
A. Three. B. Four. C. Five. D. Six.
3.What should you do if you receive a spam email?
A. Reply to it quickly. B. Delete it at once.
C. Click its pictures. D. Visit its website.
4.Which of the following is the writer’s idea about spam emails?
A. Be careful with them. B. Don’t be afraid of them.
C. Find interest in them. D. Try to fight against them.
阅读下面短文，完成表格的填写。 （10分）根据短文内容填空，每句词数不限。
Trees are greatly useful to man in three very important ways.
First important way is that they provide man with food, wood and other products. Trees provide not only man with food, but also many animals with food. Without trees many animals could not live on the earth. It's not easy for man to live on the earth, either.
The second important way is that trees give us shade（阴凉处）. On a hot summer day, people are looking forward to having a rest under the shade of a tree after they have walked a long way. You can imagine how important the shade of a tree is to man and to animals.
The third important way is that trees help to prevent drought（旱灾） and floods（水灾）. However, in many parts of the world, man has not realized the third important way. They cut trees down in large numbers. There will be fewer trees in the future.
People should protect trees, or they will find that they have lost the best friends they had in the end.
Trees are useful to man in 1. important ways. | Trees provide man __2.____, wood and other products. |
Trees give man shade on a 3. summer day. | |
Trees help to 4. drought and floods. | |
If people don’t protect trees, they will find they have lost 5. they had. | |