形容詞與副詞的同級比較

由“as(so)…as”引出，其否定式為“not so…”或“not as…as”，考生還應(yīng)注意下列含有“as”結(jié)構(gòu)或短語的句子
such：表示上文所指明的事或人
　　He is a child，and must be treated as such.
　　他是個孩子，必須被當(dāng)作孩子對待。

much：表示“與…同量”
　　Take as much as you like. 拿多少都行。
　　I would gladly have paid twice as much for it. 就是價格再貴一倍，我也會愿意把它買下的。
　　He as much as admitted the whole story. 他幾乎全部承認(rèn)了。

many：表示“與…一樣多”
　　I found six mistakes in as many lines. 我在六行中發(fā)現(xiàn)了六個錯。

用twice (兩倍)，four times (四倍)，ten times (十倍)加上as … as 結(jié)構(gòu)

This one is four times as big as that one. 這個是那個的四倍大。(這個比那個大三倍。)

Our campus is three times as large as yours. 我們的校園比你們的大兩倍。

He has books twice as many as she does. 他的書比她多一倍。

1) The five?year deal obligates 〔A〕 the country to buy nine million tons 〔B〕 of grain a year 〔C〕 ， three million more as 〔D〕 the old pact’s minimum.

“the same +名詞+as”表示同等比較

2) The lens of a camera performs the lens of the eye.
　　〔A〕 in the same function 〔B〕 the same function as
　　〔C〕 the function is the same as 〔D〕 and has the same function

3) The elimination of inflation would ensure that the amount of money used in repaying a loan would
　　have as the amount of money borrowed.
　　〔A〕 as the same value 〔B〕 the same value
　　〔C〕 value as the same 〔D〕 the value is the same

比較級前可用a little， a bit， slightly， a great deal， a lot，many， much等詞語表示不定量，far， completely，still表示程度或更進(jìn)一步

4) There are now methods for studying color vision in infants than there once were.
　　〔A〕 more sophisticated than
　　〔B〕 much more sophisticated
　　〔C〕 much sophisticated
　　〔D〕 sophisticated

5) The photographs of Mars taken by satellite are than those taken from the Earth.
　　〔A〕 clearest
　　〔B〕 the clearest
　　〔C〕 much clearer
　　〔D〕 more clearer

6) Common porpoises(海豚) are usually not considered 〔A〕 migratory， although 〔B〕 some do move 〔C〕 to more warmer 〔D〕 waters in winter.?