B) Locating places which attract terrorists.
C) Detecting drugs and water contamination.
D) Monitoring food processing.
27.A potential problem which might be caused by the use of an artificial nose is _______ .
A) negligence of public safety
B) an abuse of personal freedom
C) a hazard to physical health
D) a threat to individual privacy
28.The word "logged" (Line 5, Para. 7)most probably means"______ ".
A) preset
B) entered
C) processed
D) simulated
29. To produce artificial noses for practical use, it is essential ______ .
A) to develop microchips with thousands of odor receptors
B) to invent chips sensitive to various chemicals
C) to design a computer program to sort out smells
D) to find chemicals that can alter the electrical current passing through
30. The author's attitude towards Larry Myers' works is ______ .
A) cautious
B) approving
C) suspicious
D) overenthusiastic
Part Ⅲ Vocabulary and Structure (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 that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.
31. When people are asked what kind of housing they need or want, the question ______ a variety of answers.
A) defies
B) magnifies
C) mediates
D) evokes
32. If you want to set up a company, you must ______ with the regulations laid down by the authorities.
A) comply
B) adhere
C) confirm
D) accord
33. Although there are occasional outbreaks of gunfire, we can report that the rebellion has in the main been ______ .
A) canceled
B) destroyed
C) suppressed
D) restrained
34. Since the two countries couldn't ______ their differences, they decided to stop their negotiations.
A) rectify
B) oblige
C) reconcile
D) obscure
35. The presidential candidate ______ his position by winning several primary elections.
A) enforced
B) enriched
C) intensified
D) consolidated
36. The fuel of the continental missile is supposed to be _______ by this device.
A) ignited
B) lighted
C) fired
D) inspired
37. Mike just discovered that his passport had _______ three months ago.
A) abolished
B) expired
C) amended
D) constrained
38. Frankly speaking, your article is very good except for some ______ mistakes in grammar.
A) obscure
B) glaring
C) trivial
D) rare
39. There was once an _______ idea that the earth was flat and motionless. A) absurd
B) intrinsic
C) eternal
D) offensive
40. Certain species disappeared or became ______ as new forms arose that were better adapted to the Earth's changing environment.
A) feeble
B) extinct
C) massive
D) extinguished
41. His _______ directions confused us; we did not know which of the two roads to take.
A) ambiguous
B) complicated
C) arbitrary
D) intricate
42. Franklin D. Roosevelt argued that the depression stemmed from the American economy's ______ flaws.
A) underlining
B) vulnerable
C) vulgar
D) underlying
43. Some studies confirmed that this kind of eye disease was ______ in tropical countries.
A) prospective
B) prevalent
C) provocative
D) perpetual
44. I am afraid that you have to alter your ______ views in light of the tragic news that has just arrived.
A) indifferent
B) distressing
C) optimistic
D) pessimistic
45. Although he has had no formal education, he is one of the ______ businessmen in the company.
A) shrewdest
B) sternest
C) nastiest
D) alertest
46. Stop shouting! I can't hear the football ______ .
A) judgment
B) interpretation
C) commentary
D) explanation
47. The cultures of China and Japan hare shared many features, but each has used them according to its national______ .
A) engagement
B) destiny
C) capacity
D) temperament
48. Every member of society has to make a ______ to struggle for the freedom of the country.
A) pledge
B) warranty
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