请NN看一下几道雨珐题（2）

gggqqq

The United States petroleum industry’s cost to meet environmental regulations is projected at ten percent of the price per barrel of refined petroleum by the end of the decade


A.The United States
petroleum industry’s cost to meet environmental regulations is projected at ten percent of the price per barrel of refined petroleum by the end of the decade.
B.It is estimated that by the end of the decade the cost to the United States
petroleum industry of meeting environmental regulations will be ten percent of the price per barrel of refined petroleum.
C.By the end of the decade, the United States
petroleum industry’s cost of meeting environmental regulations is projected at ten percent of the price per barrel of refined petroleum.
D.To meet environmental regulations, the cost to the United States
petroleum industry is estimated at ten percent of the price per barrel of refined petroleum by the end of the decade.
选B    这种长句子我始终做不太好，这是哪个语法点没有学好啊？？？

The United States
petroleum industry’s cost by the end of the decade to meet environmental regulations is estimated at ten percent of the price per barrel of refined petroleum.In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts they assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’s .

A.they assigned to do

B.to be assigned doing

C.that was being assigned doing

D.assigned for doing

E.it assigned to do
答案是A     这句话想表达什么含义啊？？能翻译一下吗？？

In1852 Robert Angus Smith published a detailed report of the chemistry of rain kin a large area around the city of Manchester, England
, noting that the closer one came to town, the more the city air would become increasingly acidic.A.that the closer one came to town, the more the city air would become increasingly acidic

B.that the city air became increasingly acidic the closer one came to town

C.that coming closer to town, the city air became increasingly acidic

D.that the more the city air became increasingly acidic, the closer one was to town

E.the city air becoming increasingly acidic as one would come closer to town
答案是D， 我觉得没有最佳答案。。。我觉得最好是the closer one came to town, the more the city air would become acidic.  D中increasingly和more重复了吧。。。

Christianyang

建议下次把题目分开问，你这样让我看的眼花缭乱的不好回答。