精英家教网 > 初中英语 > 题目详情

【题目】The scientists will succeed in their experiment they give up.

A. unless B. if C. after D. until

【答案】A

【解析】

试题分析:句意:科学家们会在实验上成功,如果他们不放弃A. unless除非,如果不;B. if如果; C. after在……之后;D. unti直到。结合语境,故选A。

练习册系列答案
相关习题

科目:初中英语 来源: 题型:

【题目】I hate the people don’t help others when they are in trouble.

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

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】We have to do our homework ________ school nights.

A.atB.onC.inD.by

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】--- If I want to be an astronaut, how will I get to be one?

----You do well in school and tame your fears

A. may B. can C. must D. could

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】The old songs can make you laugh and cry at ________ same time.

A.aB.anC.theD./

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】Joe is a good student. He is ________ late for school.

A.alwaysB.neverC.oftenD.sometimes

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】—She was interviewed the local newspaper.

—Yes. The TV station interviewed her the same time.

A. by; at B. by; for C. as; in D. as; at

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】______some reasons, we have to change our plans at once.

A.AboutB.ForC.WithD.From

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】I am sorry that I have kept you ________ me so long.

A. waiting B. to wait C. waiting for D. to wait for

查看答案和解析>>

同步练习册答案