59. The prison guards were armed and ready to shoot if _______ in any way.
A) intervened
B) incurred
C) provoked
D) poked
60. Many pure metals have little use because they are too soft, rust too easily, or have some other _______.
A) drawbacks
B) handicaps
C) bruises
D) blunders
61.It was ____ that the restaurant discriminated against black customers.
A) addicted
B) alleged
C) assaulted
D) ascribed
62.The medicine ____ his pain but did not cure his illness.
A) activated
B) alleviated
C) mediated
D) deteriorated
63.He is the only person who can ____ in this case, because the other witnesses were killed mysteriously.
A) testify
B) charge
C) accuse
D) rectify
64.Professor Hawking is ____ as one of the world s greatest living physicists.
A) dignified
B) clarified
C) acknowledged
D) illustrated
65.The financial problem of this company is further ____ by the rise in interest rates.
A) increased
B) strengthened
C) reinforced
D) aggravated
66.We shall probably never be able to ____ the exact nature of these sub-atomic particles.
A) assert
B) impart
C) ascertain
D) notify