D。request指客气地 "请求"。

考点7. pay attention to注意；留意

People now are paying more attention to the importance of a healthy diet and an active life.

You haven't been paying attention to the programme.

你刚才一直没有注意这个程序。

pay attention to 注意到，集中于

draw one's attention to 吸引注意

fix one's attention on 注意

concentrate on 集中

focus on 集中于

required

require

are required

requires

(1)You should ___________________(更关注于)to your studies.

(2)Please _______________(注意)to what I am about to say.

(3)请注意交通标志。(写作小练笔：谓宾+介词; traffic signs)

___________________________________________

考点8. New technology is being used to make sure that the cars, taxis, buses and trains we use do not pollute the air.

新科技正被用来确保我们使用的汽车、出租车、巴士和火车不污染空气。

Atomic energy is being used in China to benefit the people rather than harm them.

中国利用原子能是为造福人民，而不是危害人民。

be used to do 被用来干某事

be/get used to sth./ doing sth. 习惯于......

used to 过去常常干某事(现在不再如此)

get accustomed to 习惯于......

pay more attention

pay attention

Please pay attention to the traffic signs.

(1)The clothes _________(用来)to keep warm for us.

(2)I _________(习惯于)to having a walk after supper.

(3)Our company _________(过去曾经)do business with theirs.

(4)The astronauts soon ______ the condition of weightlessness.

A. used to B. were used to do

C. were being used to D. got used to

D。got used to"习惯于"。