1．What a table! I’ve never seen such a thing before. It is ______it is long.[2005湖北]
A．half not as wide as
B．wide not as half as
C．not half as wide as
D．as wide as not half
命题目的：考察倍数的表达法。
答案：C
解析：
依题意：“好长的桌子啊，我从来没有见过这样的桌子，它的宽度还没有长度的一半”。根据比较用法：倍数＋as＋形容词＋as…，而否定词not应放在助动词it后面。
2．To understand the grammar of the sentence, you must break it _____ into parts.
A．down B．up C．off D．out[2005湖北]
命题目的：考察break构成词组的相关用法。
答案：A
解析：
break up 与 break down 都可指“把……分解开来”。但 break down 更着重“把……分类/划分”以便分析/理解或更容易做到/达到某一目的。
Each lesson is broken down into several units.
每一课都分成几部分。（以便更容易掌握、理解）
3．It is reported that the United States uses _______ energy as the whole of Europe. [2004全国卷Ⅳ]
A．as twice
B．twice much
C．twice much as
D．twice as much
命题目的：考察倍数的表达法。
答案：D
解析：
倍数表达法，如果用as，则用：倍数＋as＋adj.[＋(n.)]＋as结构。解题的关键是要非常熟悉倍数表达的各种形式，并能准确地理解句子大意。
