Some researchers believe that there is no doubt ________ a cure for AIDS will be found.

A. which                       B. that                           C. what                         D. whether

B


解析:

本題考查名詞性從句的同位語(yǔ)，doubt 后的同位語(yǔ)根據(jù)意思沒(méi)有懷疑故選擇that 引導(dǎo)，that在從句中不充當(dāng)成分。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源： 題型：

The secret of success is to be ______ existence，to be always calm，and to let each wave of life wash us a little farther up the shore.

A．in hope of

B．in harmony with

C．in need of

D．in honor of

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

----“Susan, go and join your sister cleaning the yard.”

-----“Why ______? John is sitting there doing nothing.”

A. him                 B. he   C. I                     D. me

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.

A. had intended       B. intended          C. being intended      D. to intend

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

In this picture the tree is casting a __________ on the ground.

A.shade          B.shadow              C.shape          D.figure

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

He asked the beautiful girl to ___.

    A. marry him    B.marry with him   C.get married with him  D.marry to him

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

—Don’t have yourself ________ there. Come and help me.

—Where would you like to have the table ________ ?

A. sitting; laid        B. sitting; lain

C. seating; lying     D. seating; lain

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

——How do you think I should receive the reporter?

    ——____ you feel about him, try to be polite.

A、How   B、What C、Whatever         D、However

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：

I missed what was happening because I wasn’t ______ very closely.

A. noticing        B. running   C. watching       D. glancing

查看答案和解析>>

同步練習(xí)冊(cè)答案