We believe ________ we can find out the wonder drugs to H7N9 bird flu.
A．whenB．whether
C．whatD．that
D
D 考察名詞性從句。Believe后面接賓語從句，且為陳述句，故使用that引導(dǎo)。D項(xiàng)正確。ABC都接疑問句。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

Scientists study ________ human brains work to make computers.       (2012·四川，17)
A．when B．how
C．thatD．whether

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It’s uncertain _______ side effect the medicine will bring about , although about two thousand patients have taken it ．
A．thatB．whatC．howD．whether

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Have the villagers already known ________ we’ll do is to rebuild the bridge?
A．thisB．thatC．whatD．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The companies are working together to create ________ they hope will be the best means of transport in the 21st century.
A．whichB．that
C．whatD．who

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The mother, who is strict with her two daughters, has a clear list of ________ they are not permitted to do.
A．whyB．how
C．whatD．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

She told me that it had been worrying her much ________ her hair was turning gray.
A．becauseB．ifC．forD．that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·合肥模擬)—Go and have great fun! I will cope with　　　you leave to me properly.
—Thanks a lot.
A．whyB．when C．what D．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Experts believe ______ people can waste less food by shopping only when it is necessary.  
A．whyB．whatC．whereD．that

查看答案和解析>>

同步練習(xí)冊答案