【AEIS语法大全】as ...as 和more than 结构的用法说明

　　AEIS语法不是简单地多练习就可以解决的，尤其是对于新加坡中小学AEIS考试涉及的各种语法点和争议点，需要通过一定的技巧获取和知识累计。本文AEIS考试研究中心将汇总整理AEIS语法考试中常出现的有争议的语法难题，整理规则技巧，为大家每日讲解。本篇内容为as ...as 和more than 结构的用法说明。

　　AEIS语法大百科每日语法点：关于as ...as 和more than 结构的用法说明

　　1... times as ... as ...

　　結構︰倍數詞+as+形容詞/副詞+as…

　　說明︰此句型意為“是…的幾倍”。“兩倍”是 twice，而三倍以上的“倍”，通常用 times。

　　An ordinary subway train, approaching the station, can be twice as loud as the loudest jet.

　　平常的地下火車接近車站時，發出的聲音可能是最大聲的噴射機的兩倍。

　　2.more than ... as ... as

　　結構︰more than+倍數詞+as+形容詞/副詞+as

　　說明︰此句型意為“是…的幾倍還不止”。“兩倍”是 twice，而三倍以上的“倍”，通常用 times。

　　He is more than three times as rich as I. (=He is three times richer than I.)

　　他的財富是我的三倍還不止。

　　3... times ...er than ...

　　結構︰倍數詞+形容詞或副詞比較級+than…

　　說明︰此句型意為“比…大幾倍”。“兩倍”是 twice，而三倍以上的“倍”，通常用 times。

　　We now know that X-ray waves are 2,000 to 10,000 times shorter than light waves.

　　我們現在知道X光波比光波短二千到一萬倍。

　　4... times the/my N ...

　　結構︰…倍數詞+the(或所有格)+名詞

　　說明︰此句型意為“是…的幾倍”。<倍數詞>與<名詞>之間一定有 the 或<所有格>。有時可改為“<倍數詞>+as+<形容詞>”。三倍以上的“倍”，通常用“times”。而“more than+<倍數詞>+the(或<所有格>)+<名詞>”譯為“是…的幾倍還不止”。

　　It was over twice the distance of the earth from the sun.

　　那是地球到太陽的距離的兩倍多。

　　As it is with traditional pharmacies, on-line drugstores rely on prescriptions to be successful, since it is primarily prescriptions that attract the customers, who then also buy other health-related items.

　　(A) As it is with traditional pharmacies, on-line drugstores rely on prescriptions to be successful

　　(B) As with the case of traditional pharmacies, on-line drugstores rely on prescriptions to have

　　success

　　(C) As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful

　　on-line drugstore

　　(D) As traditional pharmacies, so on-line drugstores rely on prescriptions to be successful

　　(E) Like traditional pharmacies, the cornerstone of a successful on-line drugstore is prescriptions

　　主系表结构的比较如果从句系动词与主句相同，其实系动词是可省可不省的。 此题关键是 be likely to do 是固定搭配，据此排除A

　　最后答案是C

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