英语单选(此题考查同义词区别。)

The room is in a terrible mess;it ____ cleaned A.can`t have been B. couldn`t be C.may have been D.would be 答案为A 我选了D Clever as he is,___ he doesn`t woek hard enough to pass the exam A.but B.so C.yet D.however 答案为C 我选了A ----I will thank you __ my affairs alone ----I will,It`s none of my business A.leaving B.to leave C.for leaving D.not to leave 答案为B 我选了C ____ has been done to develop the habit of reading aloud in the morning,his pronunciation remains a serious problem A.In spite of that B.In spite of what C.Altough he D.Though what 答案为B 我选了D The laid-off workers can hardly make ends meet.Their children`s education ____ quite a lot A.set them back B.set them down C.set them off D.set them out 答案为A 我选了C A sheep ___ on this kind of special grass usually grows much faster than __ on ordinary. A.fed : one B.feeds : the one C.fed ; that D.feeding ; it 答案为A 我选了B I really think alcohol---just a(n) ____ glass of wine A.regular B.usual C.occasional D.steady 答案为C 我选了C _____ from the 25th floor when the big fire broke out. A.Down did he jump B.Down did the businessman jump C.Down he jumped D.Down the businessman jumped 答案为C 我选了D ----I told u that he would come to see u ----Actually I had little doubt ____ it was true （请老师讲讲四个选项的区别，以及使用的方法） A.whether B.that C.since D.if 答案为B 我选了D 请老师针对我的错误讲解

解题思路： 首先要知道整个句子的意思，其次要根据这些单词的区别做出判断，所以对于同义词，一定要牢记。
解题过程：
1。表推测时，肯定推测用must, 否定推测用can,t ，所以此题选A.
2。as的意思是“虽然”，but 不能与它连用。所以C是正确的选项。
3。thank you to do 后面用动词原型，而for 后面侧重于用名词。所以如果在这种题中，to do 是最佳答案。
4。though连接的句子，in spite of 后面跟名词性的词。此处what 是名词性的词，在句中即作of 的宾语又作后面句子的主语。
最终答案：略