精英家教網 > 高中英語 > 題目詳情

【題目】______ you should stop smoking is the biggest decision you have to make.

A.If B.Unless C.What D.Whether

【答案】D

【解析】該句可用排除法。If表示如果引導狀語從句,但這里很顯然不是,表示是否不用于句首,排除A項Unless除非;What“……(事);Whether是否。代入句子,排除B、C項;故選D項。句意:是否應該停止吸煙是你不得不做出的最大的決定。

練習冊系列答案
相關習題

科目:高中英語 來源: 題型:

【題目】People on the grassland of ______ is now Kazakhstan were the first to achieve both riding and milking horses.

A.where B.which C.what D.as

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】I wonder ______ Mary has changed so much.

She has been suffering a serious disease.

Awhy Bwhat Cwhen Dwhere

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】It remains to be seen ______ this plan is practical enough to keep the project going.

A.whether B.how C.where D.when

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】 (粗略地)speaking, girls make up 40 percent of the students in our school.

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】He was _________ (挑選)to play for England.

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】The head of the large company has many ____________ (職責,責任)

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】He sometimes asked himself the question ______ his research was worth devoting his life to.

A.that B.if C.whether D.how

查看答案和解析>>

科目:高中英語 來源: 題型:

【題目】Eventually, they drew a (conclude) that they should never drink and drive.

查看答案和解析>>

同步練習冊答案