It is a difficult problem for high school students      they can properly use the Internet．
A．whatB．whereC．whenD．whether
D               
             
試題分析：考查主語從句。句意：對于高中生來說，他們是否能正確的利用網(wǎng)絡是一件很難的問題。句子中it 是形式主語，真正主語是whether引導的主語從句，根據(jù)句意得出選D項。          
考點 : 考查主語從句
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題

　　　you told me in secret, I had heard nothing about it.
A．WhileB．UntilC．AfterD．Since

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

“You have to respect all the 32 teams of the 2006 Germany,” he says. “They’re____
they are for a reason.”
Awhat       Bwhich          Cwho        Dwhere

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The baby, ________health was ruined after taking the medicine, was only one year old.
A．whichB．whoseC．whoD．whom

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Mary is a humorous and warm-hearted woman and that is   she is a most popular person in her community．
A．whyB．becauseC．howD．whether

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---May I borrow your book Steve Jobs ?
--- ________ you return it before Friday.
A．If onlyB．UnlessC．On condition that D．Now that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·高考湖南卷)You must learn to consult your feelings and your reason________you reach any decision.
A．a(chǎn)lthoughB．before
C．becauseD．unless

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

I'm sorry you've been waiting so long，but it'll still be some time ________ Brian gets back.
A．beforeB．sinceC．tillD．a(chǎn)fter

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

— Will you go out to play for a while, Kate?
—Not         I finish all of my homework.
A．when B．ifC．a(chǎn)fterD．unless

查看答案和解析>>

同步練習冊答案