GWD14-30,32(已查过前人帖）

lixin0709

Q30:

The ancient Anasazi harvested such native desert vegetation as the purple-flowered bee plant, what they now commonly call wild spinach in northern Arizona and other parts of the southwestern United States.

 

1. what they now commonly call
2. a plant that they now commonly call
3. now commonly called
4. and is mow commonly called
5. which it is now commonly called

Answer is C

Why not A or B?

Q32:

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

 

1. have to know a great deal more than now about the social and economic
2. have to know a great deal more than they do now about the social and economical
3. would have to know a great deal more than they do now about the social and economical
4. would have to know a great deal more than they do now about the social and economic
5. would have to know a great deal more than now about the social and economic

Answer is D

哪位nn讲解一下为什么要用would have to

bandito

30题

C用最简练的语言表达出A和B用完全没必要的啰嗦词汇所表达的意思。

32

我记得我昨天解释过这道题。这里用conditional的would have是因为这句话是假设构造，所以后句必须用would have来完成假设或用had来体现已经发生了的意思。本题没有had选项，故选D。

lixin0709

哪里看出是构造假设啊?

dtstruggle

以下是引用lixin0709在2007-11-20 22:57:00的发言：

哪里看出是构造假设啊?

more accurate 与句子后半段的now暗示其实现在的人做得还不够，也就是说“他们本应该做的更好”

考到了一点句子的逻辑关系了