GWD的2道~~~拜托大家看下

Q34:

Although people in France consume fatty foods at a rate comparable to the United States, their death rates from heart disease are far lower in France.

1. people in France consume fatty foods at a rate comparable to the United States, their
2. people in France and the United States consume fatty foods at about the same rate, the
3. fatty foods are consumed by people in France at a comparable rate to the United States’s, their
4. the rate of fatty foods consumed in France and the United States is about the same, the
5. the rate of people consuming fatty foods is about the same in France and the United States, the

答案是B,为什么呢?

Q41:

Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.

1. as a method of the extraction of minerals, it was well established
2. as a method of the extraction of minerals well established
3. was a well-established method of mineral extraction
4. was a well-established method of extracting mineral that was
5. had been a method of mineral extraction, well established

答案是C,为什么呢?

谢谢`~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

Q41:

Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.

1. as a method of the extraction of minerals, it was well established
           
2. as a method of the extraction of minerals well established
           
3. was a well-established method of mineral extraction
           
4. was a well-established method of extracting mineral that was
           
5. had been a method of mineral extraction, well established

 A LEACHING 后没有谓语,造成几个短语悬垂无连词.

 B.同上

 C.LEACHING 是主语,WAS....EXTRACTION是谓语.中间的是插入语.

 D THAT WAS多余,GMAT常考到这一点,如果不需要THAT WAS...从句可以表达清楚,尽量不要用,用名词短语更简洁.

 E时态的改变一定要有充分的理由.

Q34:

Although people in France consume fatty foods at a rate comparable to the United States, their death rates from heart disease are far lower in France.

答案是B,为什么呢?

Q41:

Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.

1. as a method of the extraction of minerals, it was well established it多余
2. as a method of the extraction of minerals well established 
                           Leaching不能做established的主语
3. was a well-established method of mineral extraction
4. was a well-established method of extracting mineral that was that就近修饰mineral错误，并且作定语that is大多数情况下是错误的
5. had been a method of mineral extraction, well established 过去完成时没道理

答案是C,为什么呢?

谢谢`~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`