【題目】Sometimes tests are needed _________ doctors discover exactly what's wrong with your body.

A. since B. before

C. although D. if

【答案】B

【解析】

考查連詞。A. since 因為，由于；B. before在……之前；C. although雖然，盡管；D. if如果。句意：有時在醫(yī)生準確發(fā)現(xiàn)你的身體出了什么問題之前做檢查是必要的。根據(jù)前后句的關(guān)系，我們可以判斷出檢查應在醫(yī)生診斷之前，故選B.

練習冊系列答案
相關(guān)習題

科目：高中英語 來源： 題型：

【題目】A study shows that the agent hasn’t broken rules， but ________ responsibly.

A. he has neither acted B. so has he acted

C. neither has he acted D. he has so acted

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】He is not wealthy; on the contrary, he has been in heavy (債).

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】For average parents in China, ________ is generally agreed that the education of their young is their primary concern.

A. it B. that

C. what D. which

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—We need to turn to Professor Smith for help.

—_________? Our classmate Simon is an expert at solving such problems.

A. Why not B. How come

C. Why bother D. What for

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】We must do as much as we to make our country better and more beautiful.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】_________ your strengths and weaknesses will help you achieve your dreams.

A. Known B. Know

C. Knowing D. Being known

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Don’t be ____by products promising to make you lose weight quickly.

A. taken off B. taken off

C. taken away D. taken in

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】If you do fall out of the boat, your lifejacket will help you to ______ until we can fish you out.

A. stand up B. keep up

C. follow up D. stay up

查看答案和解析>>

同步練習冊答案