There is one mistake in each of the following sentences. Detect and correct the mistakes. Write your corrections together with the mistakes on the answer sheet. （下列每句各有一 个错误，找出错误并改正。请将错误及改正写在答题纸上。） 20%

Example: Who’s taking care the dog while you’re away?

taking care → taking care of

21. Specialize in the export of Chinese food stuffs, we wish to express our desire to trade with you in this line.

22. Neither Marian nor her sister work for their uncle.

23. Listening others before making a decision is advisable.

24. Mr. Steward and us analyzed various possibilities.

25. The firm is determined to prevent its competitors from eat into the market.

26. In my opinion, I think the seminar covers only the basics.

27. He was knocked down by a bike, and he was not seriously hurt.

28. As a result of the continuing decline of the birth rate, less people will enter the labor force.

29. Where will you be assigned to work has not yet been decided.

30. In 1980, the United States exported twice as much of its national output of goods as they had in 1970.

Part Three: Questions 31-40

Write logical sentences with the words and phrases given. ( 用所给的词和词组写出符合逻辑的句子。 ) 10%

31. insurance / compensation for / suffer from / the purpose of / loss or damage / those who / is to provide

32. our prices / have increased / because / we must / our production costs / raise

33. for / feel free / in the department / to ask / anyone / assistance

34. your recommendations / to learn / you will / have been accepted / be happy / that

35. do / when / some people / they are / under pressure / their best work

36. think / an excellent chance / both of us / you have / that / of winning

37. until / they pay / wait / some people / their bills / the last minute / before

38. be happier / you probably / accepted / their offer / would / if you

39. from poverty / have risen / in the world / many / great people

40. works / Justin Edwards / who / received / in the Traffic Department / this month merit award

Part Four: Questions 41-50

Each of the following sentences contains one punctuation error. One punctuation in each is either missing or misused. Detect the error and write the missing punctuation or your correction together with the word before the punctuation on the answer sheet. （下面每句都有一个标点符号错误，该用标点处未用标点或标点符号用错。改正错误或补写标点，并将其与前面的一个单词一起填写在答题纸上。） 10%

Example: A. What a nice present you gave me.      me!

B. You think you are right don’t you?    right,