Be careful when you cross this busy street. ________, you may get run over by a car. 
A．If notB．If soC．If any D．If possible
A

試題分析：考查省略。句意：當你穿過這條繁忙的街道時要小心。如果不小心的話，你可能會被汽車撞到。當if從句的主語跟主句主語一致，且謂語是be的某種形式時，if從句常省略主語和be動詞。這里的if not相當于if you are not，故選A。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

(2011·福建)—It's nice.Never before ________ such a special drink!
—I'm glad you like it.
A．I have hadB．I had
C．have I hadD．had I

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

　　　, the farmer continued working in the field.
A．As tired he wasB．As he was tired
C．Tired as he wasD．So tired was he

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Generally speaking_______acording to the
instructions，the drug has no side effect.
A．when takingB．when takenC．when to takeD．when to be taken

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

No sooner______ themselves in their seats in the hall than the speaker began his speech.
A．they settledB．had they settled
C．did they settleD．they had settled

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

In his speech, he said that it was his primary school teachers that he was fond of ________influenced his whole life.
A．whatB．whichC．who D．a(chǎn)s

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Don’t touth anything unless _______ .
A．to be allowedB．a(chǎn)llowedC．to be allowingD．a(chǎn)llowed to

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early unless you think it is necessary.
A．doesn't goB．not to go
C．not goingD．don't go

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

While I was looking through the news online，＿．
A．did a video of a lovely bear come up
B．did come up a video of a lovely bear
C．up did a video of a lovely bear come
D．up came a video of a lovely bear

查看答案和解析>>

同步練習冊答案