您正在看的大学四六级是:2003英语六级试题原文。 able to see. In his eXPeriments night vision was enhanced by an even greater factor: in semi-darkness, test subjects could see up to 15 times better than without the lenses.
Bille's lenses are expected to reach the market in the year 2000, and one tentative plan is to use the Internet to transmit information on patients' visual defects from the optician to the manufacturer, who will then produce and mail the contact lenses within a couple of days. The physicist eXPects the lenses to cost about a dollar a pair, about the same as conventional one-day disposable lenses.
36. The new contact lens is meant for _____________.
A) astronomical observations C) those with vision defects
B) the night blind D) optical eXPeriments
37. What do the two instruments mentioned in the second paragraph (Line 5) refer to?
A) The astronomical telescope and the wave-front sensor.
B) The aluminum mirror and the laser beam.
C) The active mirror and the contact lens.
D) The aluminum mirror and the wave-front sensor.
38. Individualized contact lenses (Line 7, Para. 2) are lenses designed _____.
A) to work like an astronomical telescope
B) to suit the wearer's specific needs
C) to process extremely accurate data
D) to test the wearer's eyesight
39. According to Bille, with the new lenses the wearer's vision _____.
A) will be far better at night than in the daytime
B) may be broadened about 15 times than without them
C) can be better improved in the daytime than at night
D) will be sharper by a much greater degree at night than in the daytime
40. Which of the following is true about Bille's lenses?
A) Their production process is complicated.
B) They will be sold at a very low price.
C) They have to be replaced every day.
D) Purchase orders can be made through the Internet.

Part III Vocabulary (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.
41. In November 1987 the government _____ a public debate on the future direction of the official sports policy.
A) initiated C) induced
B) designated D) promoted
42. I found it difficult to _____ my career ambitions with the need to bring up my children.
A) consolidate C) reconcile
B) amend D Intensify
43. We all enjoy our freedom of choice and do not like to see it_____ when it is within the legal and moral boundaries of society.
A) compacted C) dispersed
B) restricted D)delayed
44. It is fortunate for the old couple that their son's career goals and their wishes for him _____.
A) coincide C