【題目】We urge ________ extreme caution in ________ use of this medicine, which has not been officially approved yet.

A. an; theB. an; 不填C. 不填; the D. 不填; 不填

【答案】C

【解析】

試題分析：考查冠詞。句意：我們強(qiáng)烈建議使用這種藥要極端謹(jǐn)慎，這種藥還沒有被正式批準(zhǔn)。caution為不可數(shù)，不用冠詞修飾；第二個空特指這種藥物的使用。故選C項。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

【題目】In this book, the word is used in its original sense unless ________ stated.

A. otherwiseB. thusC. therefore D. anyway

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】On no account________do anything that benefits ourselves but harms the interests of the state.
A.we should
B.should we
C.we are to
D.are to we

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】What do we know about Mr. Smith?

A. He missed the meeting.

B. He was late for the meeting.

C. He wasn’t invited to the meeting.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】I prefer ________ the movies rather than ________ home.
A.go to; stay
B.to go to; stay
C.going to; staying
D.to go to; staying

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】makes the school famous is more than 90 percent of the students have been admitted to universities.
A.What; because
B.That; because
C.That; what
D.What; that

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Whether lifeon any other planet in the solar system still remains a question.
A.enters
B.exists
C.signals
D.marks

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】After doing market research, all the researchers think it ________ to spend a large sum of money on the project.

A. worthwhileB. worthC. wealthy D. mean

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Learn to ______ your knowledge with your experience, and you are sure to succeed.
A.join
B.unit
C.connect
D.combine

查看答案和解析>>

同步練習(xí)冊答案