以下题目按我问的回答,1.In the survey they listed twelve kinds of food

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以下题目按我问的回答,1.In the survey they listed twelve kinds of food _______would affect the work of the brain． A．which the experts believed B．that were believed C．the experts believed that D．the experts believed 问：①B为什么不可以选?②选B怎么改?2．— We did not see him at the lecture yesterday． — You _______ him,since I went to an international conference with him． A．mustn’t have seen B．can’t have seen C．couldn’t see D．needn’t have seen 问：为什么?（用法） 3 .The hotel was nice; the weather was warm; the beaches were beautiful._______ I’d say it was a great vacation.A．Completely B．Eventually C．Actually D．Altogether 我选C,结果错了,问：①选哪个?②翻译.4..— Have you found the novel I lent you two weeks ago?— Sorry,I can’t find it _______,but I’ll give it back to you later.A．for the moment B．at no moment C．in a moment D．at any moment 问：①选哪个②ABCD短语的意思.5.Everyone thinks he’ll go far in this company because he has all the qualities necessary _______ success.A．to B．for C．by D．on 问：

1.这道题的答案是个定语从句部分.定语从句中的the experts believed可看着插入语,这里可不要.整个定语从句可写成:which/that would affect the work of the brain.并且which/that 作主语,不可省略.由此可见,可能性A或B了.如果要想B对,只有去掉were believed.
2.本题是考察情态动词表达可能性的的用法.表示可能性用法情态动词有:must,should,can,could,may ,might .其否定形式只有cannot/couldnot.不可能.
他们后加动词原形表示现在或将来;加have dong/been表示完成或过去的可能性.所以,本局句的答案应是B.A短语表达形式不对.must 表可能性不用于否定.如是must have dong,意思是"一定做过"..3
答案可能是D.其意思是"总之"
4 答案A(暂时).B.在任何时候都不,立刻;再过一会儿(多与将来时连用); D.任何时候
5 答案可能是B.因为本句的necessary for success是后置定语,相当于which are necessary for success.
结构:It's necessary for sb/sth to do sth.

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