Some experts have said that ________ children believe they can succeed, they wi

Some experts have said that ________ children believe they can succeed, they wi

题型:不详难度:来源:
Some experts have said that ________ children believe they can succeed, they will never become totally confident of themselves.
A.ifB.since
C.once D.unless

答案
D
解析
D 考察状语从句。根据语境可知,unless引导条件状语从句,if如果,since自从,once曾经,一旦;句义:一些专家说,除非孩子们相信他们能够成功,否则他们永远不会对自己完全自信。故D正确。
举一反三
He never thought that his success came ________ he least wanted it.
A.untilB.since
C.whenD.while

题型:不详难度:| 查看答案
Besides, ________ well it is translated, the spirit of the original work is lost.
A.no matter howB.no matter what
C.no matter whenD.no matter where

题型:不详难度:| 查看答案
________ you have to do the job, you should try your best to do it well even though it may be very difficult for you.
A.SinceB.While
C.UnlessD.Though

题型:不详难度:| 查看答案
________ much advice you give him, he does exactly what he wants.
A.No matterB.Whether
C.WhateverD.However

题型:不详难度:| 查看答案
I was wondering what to do with my car which won"t start ________ a kind man offered to help.
A.whileB.and
C.soD.when

题型:不详难度:| 查看答案
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