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/Nevertheless,...
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 views.
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 Balanced 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, besides（另外）;in addition; what’s more
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.
first/firstly, meanwhile, before long, ever since, while, at the same time, in the meantime, shortly after, nowadays,
A. They will be here soon. Meanwhile, let’s have coffee.
B. Firstly, let me deal with the most important difficulty.
especially, indeed, at least, at the most, What in the world/on earth.. , not at all ,
A. Noise is unpleasant, especially when you are trying to sleep.
B What in the world/on earth are you doing?
thanks to, because, as a result, because of/as a result of , without, with the help of..., owe ...to..., due to .
A. The company has a successful year, thanks mainly to the improvement in export sales.
B. As a result, many of us succeeded in passing the College Entrance Examinations.