2014年4月雅思考试摸底题及答案(第三套)_第4页

　　Identify the letter of the choice that best completes the statement or answers the question.

　　INSTRUCTIONS: Read the sentence and decide which answer: a, b, or c, best matches the meaning of the

　　underlined words. Write your answer: a, b, or c, in the space provided.

　　____ 31. It is reckoned that the largest human migration in recorded history took place in the hundred years following

　　the Battle of Waterloo in 1815.

　　a. it is certain

　　b. it is uncertain

　　c. it is estimated

　　____ 32. In the developing economies of the nineteenth century payments for goods in kind were replaced by payments

　　of money.

　　a. payment in cash

　　b. the exchange of goods for other goods

　　c. extended credit

　　____ 33. Many emigrants travelled to America from their native lands in the steerage compartments on steam ships

　　which crossed the Atlantic ocean.

　　a. first class apartments

　　b. cheap accommodation at the back of the ship

　　c. cheap accommodation on the deck of the ship

　　____ 34. Scientists have been surprised on more than one occasion to find thriving colonies of bacteria and organisms

　　on material which has returned to earth on space craft.

　　a. dead

　　b. living

　　c. alien

　　____ 35. The science of the Beagle space craft could have been jeopardised by spores picked up during manufacture.

　　a. enhanced

　　b. improved

　　c. adversely affected

　　____ 36. To prevent contamination of space vehicles, only a handful of highly trained researchers were allowed into

　　the sanitised rooms.

　　a. a large number

　　b. a select few

　　c. any employee who was trained

　　____ 37. The space craft Beagle also used its heat shield as a biological shield which allowed access to the real world

　　once construction of the instruments was completed.

　　a. protection against space dust

　　b. a barrier to prevent contamination from other worlds

　　c. a barrier to prevent contamination from bacteria

　　____ 38. TV news lacks a narrative element when compared to other genres and therefore loses viewer interest.

　　a. includes

　　b. does not include

　　c. uses

　　____ 39. Soap operas, in contrast to TV news programmes, offer the viewer highly developed narrative codes.

　　a. familiar story lines

　　b. secret messages

　　c. subtitles

　　____ 40. There is a contrast between what people are encouraged to believe in the media and what they believe

　　according to their own common sense.

　　a. uniformity

　　b. difference of opinion

　　c. agreement