分别选什么?请说出理由.7.The ability _______ is very important for any speaker.A.to hear clearly B.to be clearly heard C.to hearing clearly D.to being clearly heard8.The pressure________causes Americans to be energetic,but it also puts them

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分别选什么?请说出理由.7.The ability _______ is very important for any speaker.A.to hear clearly B.to be clearly heard C.to hearing clearly D.to being clearly heard8.The pressure________causes Americans to be energetic,but it also puts them
分别选什么?请说出理由.
7.The ability _______ is very important for any speaker.
A.to hear clearly B.to be clearly heard
C.to hearing clearly D.to being clearly heard
8.The pressure________causes Americans to be energetic,but it also puts them under a constant emotional strain.
A.to compete C.to be competed B.competing D.having competed

分别选什么?请说出理由.7.The ability _______ is very important for any speaker.A.to hear clearly B.to be clearly heard C.to hearing clearly D.to being clearly heard8.The pressure________causes Americans to be energetic,but it also puts them
7.B the ability+不定式to do,演讲者“被”人听到的能力很重要,所以要用被动“to be heard“
8.A 竞争的压力,也可以用the pressure of competing

7. The ability _______ is very important for any speaker.
A. to hear clearly B. to be clearly heard
C. to hearing clearly D. to being clearly heard
答案:B
解析:hear对于speaker来说应该是...

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7. The ability _______ is very important for any speaker.
A. to hear clearly B. to be clearly heard
C. to hearing clearly D. to being clearly heard
答案:B
解析:hear对于speaker来说应该是被动,speaker is heard clearly by the audience。所以排除A和C。又因为动词不定式中to后面接动词原形,所以D错,选B

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7B 能让别人听清自己说的话对于每个演讲者来说都是很重要的
很明显要用被动态,并且这里用不定式的现在时就可以了,而being表示进行时
8A 竞争的压力使美国人精力充沛,但也使他们的精神始终处于紧张状态
名词pressure后应加不定式做定语,说明"pressure"的内容。因此本题答案是A) to compete。选项B) competing是现在分词;D) ...

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7B 能让别人听清自己说的话对于每个演讲者来说都是很重要的
很明显要用被动态,并且这里用不定式的现在时就可以了,而being表示进行时
8A 竞争的压力使美国人精力充沛,但也使他们的精神始终处于紧张状态
名词pressure后应加不定式做定语,说明"pressure"的内容。因此本题答案是A) to compete。选项B) competing是现在分词;D) having competed现在分词的完成式,都不符合语法规定。选项C) to be competed中的Compete是不及物动词,不能用被动语态,所以这三个选项都不正确。

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7题应该是B。理由:首先题干中是for any speaker,主体就是speaker,四个答案中有hear和clearly,那整句话就应该是被听的清楚,所以就用被动语态。第二个和第四个都是被动语态,它们的不同在于,第二个是陈述的一般情况,第四个是进行时态。整个句子的意思是,对任何一个说话者来说,能被挺清楚是非常重要的。所以选B。
8题答案应该是C(这里貌似B和C弄反了,你好好看看,就...

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7题应该是B。理由:首先题干中是for any speaker,主体就是speaker,四个答案中有hear和clearly,那整句话就应该是被听的清楚,所以就用被动语态。第二个和第四个都是被动语态,它们的不同在于,第二个是陈述的一般情况,第四个是进行时态。整个句子的意思是,对任何一个说话者来说,能被挺清楚是非常重要的。所以选B。
8题答案应该是C(这里貌似B和C弄反了,你好好看看,就是第二个)。理由:先通读一遍题干,大体意思是美国因为某种压力而更加有精力(更加强悍),但是这个压力又使美国处于不断地精神紧张之中。然后,再看选项,四个选项都和compete(竞争、挑战)有关,第一个是联系题干可知,这个压力就应该是竞争(或者说是挑战)。但是如果是美国自己和别人挑战,那美国应该不会有压力,因为敢主动和别人挑战的都很自信,都相信自己,不应该有压力,只能是被别人竞争(挑战)才会有压力,所以应该是第二个,就是答案中的C。
以上是本人个人见解,如果答案不和标准答案一样,那你赶快问老师,搞清楚才是最重要的!

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