_____H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
A．UntilB．WhileC．IfD．Since
B

試題分析：考查連詞：A. Until直到B. While雖然C. If如果D. Since自從，句意：雖然H7N9是致命的病毒，吃完全燒熟的雞肉還是安全的，選B。
點(diǎn)評(píng)：這幾個(gè)詞都是連詞，要分清每個(gè)連詞短語(yǔ)的含義和用法，做題時(shí)關(guān)鍵看上下文和句意的邏輯關(guān)系做題。While的用法有：1.表示“當(dāng)……的時(shí)候”，2.表示讓步，意為“盡管”“雖然”。3.表示對(duì)比或轉(zhuǎn)折，意為“而”“但是”。
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：不詳 題型：單選題

To improve the quality of our products, we asked for suggestions        had used the products.
A．whoeverB．whoC．whicheverD．which

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Your work would be much better _____ you’re always in such a hurry.
A．whenB．becauseC．onceD．unless

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

A double-decker sleeper coach fell off Changjiang Bridge in Jingzhou. It was because it tried to turn ___________away from a motorcycle that it crashed killing 14 passengers.
A．merelyB．a(chǎn)bruptlyC．exactlyD．cautiously

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Frank insisted that he was not asleep______ I had great difficulty in waking him up.
A．whetherB．a(chǎn)lthoughC．forD．so

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

I’m sorry you’ve been waiting for so long, but it’ll still be some time _______ Brian gets back.
A．sinceB．a(chǎn)fterC．whenD．before

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Why not stay at home ______ the road is so slippery after the heavy snow?
A．so long asB．in caseC．so far asD．now that

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

At school, some students are active____ some are shy, yet they can be good friends with one another.
A．a(chǎn)lthoughB．whileC．soD．a(chǎn)s

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

As many as five courses are provided, and you are free to choose_______ suits you best.
A．whatever B．whicheverC．wheneverD．wherever

查看答案和解析>>

同步練習(xí)冊(cè)答案