重點(diǎn)語(yǔ)法之a(chǎn)s ... as的用法

例題解析

1. 單選題：My bike is? ? ? ? ? Lucy’s.

A. as better as

B. as good as

C. as well as

D. as best as

【解析】本題考查同級(jí)比較的用法。as+形容詞原級(jí)+as，和……一樣。故答案選B。

句意：我的自行車(chē)和露西的一樣好。

2. 翻譯句子：

今天北京的天氣不如太原的好。(as good as)

【解析】本題考查同級(jí)比較的否定用法?！安蝗纭谩笨杀硎緸椋簄ot as/so ... as ...，本題用not as good as；地點(diǎn)前注意需要加介詞in，另外，第二個(gè)as后的比較對(duì)象“太原的天氣”可用that in

Taiyuan指代。故本題可譯為：

Today the weather in Beijing isn’t as good as that in Taiyuan.

as ... as的用法

該結(jié)構(gòu)的意思是“與......一樣”。

接形容詞或副詞的原級(jí)，在否定句中，第一個(gè) as 也可換成 so。如：He doesn't study as [so] hard as his brother. 他學(xué)習(xí)不如他弟弟努力。

表示涉及數(shù)量或程度，可用“as much+不可數(shù)名詞+as”和“as many+可數(shù)名詞復(fù)數(shù)+as”。如：He doesn’t pay as much tax as we do / as us. 他沒(méi)我們交的稅款多。

可用(not) nearly, almost, just, nothing like, exactly, not quite, half, one-ten, twice, three times, 30 per cent等修飾，并且這些修飾語(yǔ)必須置于第一個(gè)as之前，而不能置于其后。如：This room is twice as large as that one. 這個(gè)房間是那個(gè)房間的兩個(gè)大。

as…as…不表示比較的幾個(gè)常見(jiàn)句型。

一、as…as possible／sb can盡可能的……

Please answer my question as soon as possible．

請(qǐng)盡快回答我的問(wèn)題。

The detective is searching the man as carefully as he can．

那個(gè)偵探正在盡可能仔細(xì)地搜查那個(gè)男子的身體。

二、as…as usual／before像以前一樣……

She looks as pretty as before．

她看起來(lái)和以前一樣漂亮

Though they failed，they still worked as hard as usual．

盡管他們失敗了，但他們?nèi)韵褚郧耙粯优ぷ鳌?/p>

三、as long as只要，引導(dǎo)條件狀語(yǔ)從句

I will stay with you as long as there is a room flree．

要是你有一間空余的房子，我就住在你這里。

You may borrow this book as long as you promise to give itback．

只要你答應(yīng)歸還，你就可以把這書(shū)借走。