29. If two men suspected for some reason they have a common ancestor, .
A) we can decide according to their family tree
B) we can find the truth from their genetic markers
C) we can compare the differences in their Y chromosome
D) we can look for written records to prove their relationship

30. Which of the following CANNOT be inferred from the passage?
A) We are a walking,living,breathing record of our ancestors
B) Many American slaves did not know who their ancestors were.
C) An adopted child generally lacks enough information to prove his identity.
D) Molecular genealogy can be used to prove a relationship between individuals. 

Part ¢óVocabulary(20 minutes)

Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A),B),C)and D). Choose the ONE answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.

31. WTO is regarded by some countries as an access to foreign markets rather than as a for opening up the home market.
A) commerce B) committee C) commitment D) commission

32. We should recognize that every company and every person is part of a long of customers and suppliers.
A) pool B) line C) stream D) chain

33. Today the small town is better against flood than it was 20 years ago.
A) protected B) prevented C) preserved D) prepared

34. Did you mean I should keep the receipt? I¬ðm afraid I have .
A) run it over B) torn it up C) taken it apart D) shaken it off

35. Unlike photocopies of books, the digital copies are virtually in quality to the original.
A) similar B) identical C) resembling D) alike

36. The price of fresh vegetables according to the weather.
A) fluctuates B) increases C) soars D) maintains

37. Your proposal looks good ,but I am not convinced it can be put into effect.
A) on paper B) at sight C) under cover D) in bulk

38. The government that refuses to meet the needs of its people must bear the .
A) results B) outcomes C) effects D) consequences

39. The elderly people in this country are entitled to a special heating allowance from the government when they pass the age of sixty.
A) claim B) declare C) inquire D) apply