A. Just as every coin has two sides, cars have both advantages and disadvantages．
B. Compared to/ In comparison with letters, e-mails are more convenient.
C. When it comes to computers, some people think they have brought us a lot of convenience. However,...
D. Opinions are divided on the advantages and disadvantages of living in the city and in the countryside.
E. As is known to all/ As we all know, computers have played an important role/part in our daily life.
F. Why do you go to university? Different people have different points of view.
A. I am writing to you to apply for admission to your university as a visiting scholar.
B. I read an advertisement in today’s China Daily and I apply for the job...
C. Thank you for your letter of May 5.D. How happy I am to receive your letter of January 9.
E. How nice to hear from you again.
A. Ladies and gentlemen, May I have your attention, please. I have an announcement to make.
B. Attention, please. I have something important to tell you.
C. Mr. Green, Welcome to our school. To begin with, let me introduce Mr. Wang to you.
A. Ladies and gentlemen, I feel very much honored to have a chance here to make a speech on the subject -- A Balance Diet and Health.
B. Good morning everyone! Allow me, first of all, on behalf of all present here, to extend our warm welcome and cordial greeting to our distinguished guest.
as well as, not only…but (also), including,
A. Not only do computers play an important part in science and technology, but also play an informative role in our daily life.
B. All of us, including the teachers / the teachers included, will attend the lecture.
C. He speaks French as well as English.=He speaks English, and French as well.=He speaks not only English but also French.
D. E-mail, as well as telephones, is playing an important part in daily communication.
on one hand ,on the other hand, on the contrary/contrary to ..., though, for one thing ;for another, nevertheless
A. I know the Internet can only be used at home or in the office, but on the other hand, it is becoming more and more popular for much information as well as clear and vivid pictures.
B. It is hard work; I enjoy it though.
C. Contrary to what I had originally thought, the trip turned out to be fun.
even, besides, what’s more, as for, so…that…, worse still, moreover, furthermore; but for, in addition, to make matters worse
A. The house is too small for a family of four, and furthermore/besides/what’s more/moreover /in addition/worse still , it is in a bad location.
in one’s opinion, that is to say, for example, for instance, as a matter of fact, in fact, namely
A. As a matter of fact, advertisement plays an informative role in our daily life．
B. There is one more topic to discuss, namely/that is ( to say ), the question of education.
live on 继续存在，继续生存
by means of… 用……办法，借助……
make a life 习惯于新的生活方式、工作等
keep up 坚持，维持，沿袭(风俗、传统等)
back to back 背靠背
team up with 与……合作或一起工作
mark out 画线，标出……界线
take in 包括，吸收
a great/good many 许多，很多
apply for 申请，请示得到
pay off 得到好结果，取得成功，偿清
cast down 沮丧，不愉快
in favour of 赞成，支持
(be) bound to (do)… 一定或注定(做)……
strike…into one‘s heart 使……刻骨铭心
bring back to life 使复生，使复活
in vain 白费力气，枉费心机
in good/pool condition 状况很好(坏)，情况很好(坏)
ring up 给……打电话
now and then 偶尔，有时
set about 开始，着手
dive into 迅速把手伸入，一心投入
set out (to do) 开始(做)
hang on 不挂断，稍等，紧紧握住
out of order 次序颠倒，发生故障
get through 设法联系上(由指打通电话)，(设法)做完，通过
ring back 回复电话
ring off 挂断电话
make one’s acquaintance 结识，与……相见
generally speaking 一般来说
in terms of… 就……来说，从……角度
once more 再一次
in need of 需要……
regardless of 不管，不顾
at most 至多，最多
cut up 切碎
fed up with 受够了，饱受，厌烦
look ahead 向前看，为将来打算
date back 追溯到……