2．be_linked_to与......相联系

3．comb_(through)_sth.(for)仔细搜寻

4．a_bunch_of一串；一束；大量，大批

5．up_to_date现代的，时新的

6．take...into_consideration考虑到，把......考虑在内

7．make_a_difference有关系；有影响；起重要作用

8．belong_to属于

Ⅰ.阅读课文，选出最佳答案

1．This text is written mainly to ________.

A．introduce to us how to look for information on the Internet

B．tell us of the advantages and disadvantages of the Internet

C．introduce to us several news sources

D．warn us to be careful when surfing the Internet

答案　A

2．The sentence"The contents they search have not been evaluated."means ________.

A．the information has not been checked

B．the information is reliable

C．the information written by someone who does not have solid facts is true

D．the information written by someone without qualifications is false

答案　A

3．When you use search engines，you have to ________.

A．type every important word in

B．look through all the pages given

C．use either Google or Baidu

D．be patient to read the information to decide whether it is linked to what you are researching

答案　D

4．Which of the statements is wrong about subject directories?

A．Subject directories are built by humans.

B．Someone has combed through pages and links and selected all those that are in the directory.

C．The results of your search are divided into specific subject categories.

D．You don't need to decide whether the information is useful to you.

答案　D