【題目】 Luggage may not be brought into the building ________ a guard has checked it first.

A. when B. because C. after D. unless

【答案】D

【解析】

試題分析：考察條件狀語從句引導(dǎo)詞。A. When當(dāng)… 引導(dǎo)時(shí)間狀語從句；B. Because因?yàn)?/span> 引導(dǎo)原因狀語從句；C. after 在…之后D. Unless除非 引導(dǎo)條件狀語從句。該句意思為：除非保安檢查過行李，否則不能帶入這棟建筑物。保安檢查行李是條件，所以這是個(gè)條件狀語從句，根據(jù)句意故選D

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】—Do you know Lily has gone to London? —Oh. ________ I haven't seen her these days.
A.No doubt
B.No wonder
C.Naturally
D.Of course

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】We reached the _________ that he was against our plan.
A.consequence
B.conclusion
C.agreement
D.appointment

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The lift ________ yesterday. We’ll have to walk up to the eighth floor this evening.

A. broke down B. took down C. came down D. got down

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】 When you phoned me, I was having a meeting; how I wish I _______ your call.

A. answered B. would answer

C. had answered D. would have answered

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The doctor is skilled at treating heart trouble and never accepts any gift from his patients,so he has a very good_____．
A.expectation
B.reputation
C.contribution
D.civilization

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】People have been complaining about SK-II recently and think the advertisements always persuade people _________ the products which are not so good. （ ）
A.buy
B.to buy
C.buying
D.bought

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】---Is Blake still absent from class？

---I think he be punished if he goes on with it．

A．shall B．must

C．can D．will

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】For years，scientists have been worried about the ________ of air pollution on the earth's natural conditions. （ ）
A.effect
B.result
C.account
D.cause

查看答案和解析>>

同步練習(xí)冊答案