Even though the direct costs of malpractice disputes amounts to a sum lower than 1 percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation.
今天做 section 11, 惨不忍睹,sigh 6. The guiding principles of the tax plan released by the Treasury Department could have even a greater significance for the economy than the particulars of the plan. (A) even a greater significance for the economy than (B) a significance that is even greater for the economy than (C) even greater significance for the economy than have (D) even greater significance for the economy than do (E) a significance even greater for the economy than have
答案是D, 1)请问C为什么不可以呢? 难道have 不能用于比较的到装? 2)这里的significance 是不是不可数名词,如果D 换成 "significance even greater for the economy than do"可不可以呢?
16. Because natural gas is composed mostly of methane, a simple hydrocarbon, vehicles powered by natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel. (A) less of certain pollutants than the burning of gasoline or diesel fuel (B) fewer of certain pollutants than burning gasoline or diesel fuel do (C) less of certain pollutants than gasoline or diesel fuel (D) fewer of certain pollutants than does burning gasoline or diesel fuel (E) less of certain pollutants than those burning gasoline or diesel fuel
参考OG 101. Even though the direct costs of malpractice disputes amounts to a sum lower than one percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation. (A) amounts to a sum lower (B) amounts to less (C) amounted to less (D) amounted to lower (E) amounted to a lower sum
The guiding principles of the tax plan released by the Treasury Department could have even a greater significance for the economy than the particulars of the plan. (A) even a greater significance for the economy than (B) a significance that is even greater for the economy than (C) even greater significance for the economy than have (D) even greater significance for the economy than do (E) a significance even greater for the economy than have
这里的significance 是不是不可数名词,如果D 换成 "significance even greater for the economy than do"可不可以呢?请指点