[简答题]must / you / the freight / recently /has gone up / be fully aware / that

[单项选择]I must warn you that you may find parts of this article rather difficult to understand. Wait! The sentence you have just read is quite untrue. But that isn’t why you were irritated by it. It was, of course, also insulting and few people enjoy being insulted. By reading this article you are making the claim that you are the sort of person who will understand it; my opening sentence questioned your claim, and that is what made it insulting. In other words, an insult occurs whenever one person denies some aspect of identity which another is claiming, explicitly or otherwise.
When describing the course of a disease, pathologists often talk of the body organizing its defences in response to a biological insult. But in everyday life we use the term only when the rules which govern social encounters are breached in the manner described. For social interaction to work it is essential that the participants respect the "face" of all involved. "Face" refers to the public image which a person
A. To prepare the reader for difficulties
B. To make the article appear very impressive
C. To discourage uneducated readers
D. To demonstrate the nature of an insult

[填空题]If you want to set up a company, you must ______(遵守官方规定的章程).

[填空题]We regret that we must advise you to regard their request for credit in caution.

[填空题]In his job you must _____ up to the problems and not run away from them.

[单项选择]I must tell you how________ a letter from you.
A. pleased I was to receive
B. pleased I was to receiving
C. was I pleased to receive
D. pleased I was receiving

[单项选择]—We must thank you for taking the trouble to cook US a meal.
—______.

[填空题]What must you do if you smell smoke at night

[单项选择]What must you do when you receive a present for your birthday You have to sit down and write a thank you note. The words "thank you" are very important, we have to use them all the time. We say them when someone gives us a drink, helps us to pick up things, lends us a book or gives us a present.
Another important word is "please". Many people forget to use it. It is impolite(不礼貌) to ask some one to do something without saying "please". We have to use it when we ask for something, too. It may be a book or a pencil, more coffee or bread, help or advice. It may be in the classroom, at home, or at the bus stop. We have to use "please" to make request(要求) pleasant.
We have to learn to say "sorry", too. When we hurt someone’s feeling, we will have to say we are sorry. When we do something wrong and feel sorry, we will have to use the same word. When we have forgot some thing or broken a promise, we will have to explain with that word, too. "Sorry" is a healing(和解) word. We can
A. Sorry
B. Thank you
C. Please