精英家教网 > 高中英语 > 题目详情
___________there are many different types of food, some animals spend their lives eating only one type.
A.SinceB.Unless C.OnceD.While
D

试题分析:考查连词:A. Since自从B. Unless除非C. Once一旦,     D. While虽然,当…时候,句意:虽然有很多不同类型的食物,一些动物一生只吃一种食物。选D。
点评:首先掌握各种连词的含义和作用,在做题时要弄清上下文的逻辑关系。
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题

________ three times,but she still couldn’t follow what the old man said.
A.Having toldB.Having been told
C.She had been toldD.Though she had been told

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

They had kept working for several weeks      everything was in order.
A.beforeB.afterC.sinceD.unless

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

—Why are you staring at me?
—You look stupid!The way you wear is___annoys me most.
A.whichB.whereC.how D.what

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

______the Internet is of great help, I don’t think it’s a food idea to spend too much time on it.
A.IfB.WhileC.BecauseD.As

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Will you help him________ you see an old man in trouble ?
A.thoughB.so C.becauseD.when

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

—What has  made him look like lacking sleep?
—_______ his wife is ill and he has to get up several times a night to attend to her.
A.ForB.BecauseC.ThatD.What

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

I remember everything ______it had happened yesterday.
A.in caseB.even ifC.as long asD.as if

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

He couldn’t take part in the final exam _______ his serious illness.
A.becauseB.lead toC.because ofD.when

查看答案和解析>>

同步练习册答案