63. Many people like white color as it is a ______ of purity.

　　A) symbol B) sign

　　C) signal D) symptom

　　64. The residents, ______ had been damaged by the fire, were given help by the Red Cross.

　　A) all of their homes B) all their homes

　　C) whose all homes D) all of whose homes

　　65. This research has attracted wide ______ coverage and has featured on BBC television’s Tomorrow’s World.

　　A) message B) information

　　C) media D) data

　　66. I would never have ______ a court of law if I hadn’t been so desperate.

　　A) sought for B) accounted for

　　C) turned up D) resorted to

　　67. Investigators agreed that passengers on the airliner ______ at the very moment of the crash.

　　A) should have died B) must be dying

　　C) must have died D) ought to die

　　68. The energy ______ by the chain reaction is transformed into heat.

　　A) transferred B) released

　　C) delivered D) conveyed

　　69. ______ their work will give us a much better feel for the wide differences between the two schools of thought.

　　A) To have reviewed B) Having reviewed

　　C) Reviewing D) Being reviewed

　　70. During the process, great care has to be taken to protect the ______ silk from damage.

　　A) sensitive B) tender

　　C) delicate D) sensible

　　Part III Vocabulary and Structure (20 minutes)

　　Directions: There are 3.0. 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 center.

　　31. Such crimes may be so complex that months or years go by before anyone _______ them.

　　A) discovered C) would have discovered

　　B) will discover D) discovers

　　32. Though ________ in a big city, Peter always prefers to paint the primitive scenes of country life.

　　A) grown C) tended

　　B) raised D) cultivated

　　33. The careless man received a ticket for speeding. He ________ have driven so fast.

　　A) can’t C) shouldn’t

　　B) wouldn’t D) mustn’t