⑲be reduced by被降低/减少了......

be reduced to被降低/减少到......

⑳use...to do sth使用......做某事

be used to do sth被用来做某事

be used to doing sth习惯于做某事

used to do sth过去常常做某事

\s\up2(21(21)what's more此外，而且；近义短语为in addition。

※过去分词短语作后置定语，修饰前面的survey；suggest在此意为"暗示，表明"，其后为省略了引导词that的宾语从句(that在从句中不作成分)，从句用了陈述语气。

※what's more此外，而且，常用作插入语。

\s\up2(22(22)afford v.负担得起，买得起

afford to do sth负担得起做某事

\s\up2(23(23)increase v.增加，提高

increase by增加/提高了......

increase to增加/提高到......

※句中有两个who引导的两个定语从句，其先行词分别是people和businessmen。

Read the text carefully and choose the best answer.

1.Why did the Mayor of London introduce the"congestion charge"？

A.To increase the income of the government.

B.To solve the problem of traffic jam.

C.To make London the best city.

D.To serve the rich.

2.If people do not pay the charge，they will________.

A.be unhappy

B.be fined for ￡5 a day

C.have no freedom