三、还原信息
Most people learn the importance of the magic words "please" and "thank you" at a very early age. As you go through life, you see better things happen when you don't forget to say them, and that people warm up to you more quickly. (1)
"Please." This is one of those words that can show good manners. Any time you ask for something, it's always a good idea to add this word to soften the request (要求).
"(2)" When someone does something nice for you or gives you a gift, you should always say "thank you", even if it's something you dislike. Not doing so gives the impression that you feel entitled (有资格的) to whatever it is.
"May I...?" The expression "May I...?" puts you on the same side as the person you are speaking to. For example, when you say "May I see that book", you give the person a chance to share what he is looking at.
"Excuse me." This expression is used when you are asking forgiveness (原谅) for leaving the table, coughing or troubling somebody.
"Pardon me." (3) The expression "pardon me" sounds more formal (正式的).
Polite language is always helpful. Why not use it? (4)
A. Thank you.
B. So it's a good way to do so.
C. But being polite may cause you some trouble.
D. Here are some of the most common expressions.
E. This expression can be exchanged with "excuse me".
F. It might win you a few friends and help you get ahead in different situations.

三、1.D 2.A 3.E 4.F

四、综合填空
Wei Jiyu, the 16-year-old boy from Beijing, put on a special concert. Different from the competitions he'd taken part in before, the boy (1) (play) the piano on his own this time.
This idea (2) (encourage) by his piano teacher, who believed in Wei's ability. To prove (3) (he), Wei took on this challenge.
However, it seemed (4) (bored) for him to play the piano alone on the stage for the whole night. So, the Senior 2 student came up (5) the idea to organize a music group with his schoolmates.
"I've been learning (6) (west) instruments, but I'm deeply crazy about Chinese folk music," Wei said. "So I invited two students (7) (play) 'The Moon Over the River on a Spring Night', (8) well-loved Chinese music piece, with pipa and guzheng."
The concert got a big hit. However, in Wei's eyes, the theme of the concert was more important than the number of the people who watched him.
"Teenagers like singing, dancing or playing musical instruments, (9) most of them do it for fun. We're doing it for charity," Wei said. The group of young (10) (music) raised a total of 15 474 yuan from ticket sales, and all the money will go to nursing institutions (护理机构) for the aged. "I hope the concert can help call on more people to pay attention to those in need," he added.

四、1. played 2. was encouraged 3. himself 4. boring 5. with
6. Western 7. to play 8. a 9. but 10. musicians