[求助]GWD-16 语法题目

Q14:

In 1914 a total of 469,000 cars and trucks were produced in the United States, but in 1929 almost twice the numbers of tucks alone came off the assembly lines.

1. the numbers of tucks alone
2. that number of trucks alone
3. the number of trucks by themselves
4. as many trucks themselves
5. as many trucks by themselves

答案是B, 我选的是A， 为什么要选B 呢？谢谢

Q19: C

Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.

1. Heavy commitment by an executive to a course of action, especially if it has worried well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
2. An executive who is heavily committed to a course of action, especially one that worked well in the past, makes missing signs of incipient trouble or misinterpreting ones likely when they do appear.
3. An executive who is heavily committed to a course of action is likely to miss or misinterpret signs of incipient trouble when they do appear, especially if it has worked well in the past.
4. Executives’ being heavily committed to a course of action, especially if it has worked well in the past, makes them likely to miss signs of incipient trouble or misinterpreting them when they do appear.
5. Being heavily committed to a course of action, especially one that has worked well in the past, is likely to make an executive miss signs of incipient trouble or misinterpret them when they do appear.答案为什么是C?

Q28:

Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal’s than a cold-blooded reptile’s.

1. that many species of dinosaur had a metabolism more like
2. that the metabolism of many dinosaur species were more like
3. that the metabolisms of many species of dinosaurs were more like those of
4. there were many species of dinosaurs that had metabolisms more like those of
5. there were many dinosaur species that had a metabolism more like that of

答案是A, 为什么B,C 不对呢？

Q30:A

According to public health officials, in 1998 Massachusetts became the first state in which more babies were born to women over the age of thirty than under it.

1. than
2. than born
3. than they were
4. than there had been
5. than had been born

答案是A为什么C不对啊？谢谢