31 This company has been _______. It makes products ranging from aircraft engines to insurance, medical
technology and plastics.
(A)diversified (B)shortened (C)summoned (D)vaporized
41 The government has recently tightened driving ________ in hopes of reducing the number of drunk-driving related
deaths.
(A) calculations (B) inspirations (C) operations (D) regulations
624. You should try to find ways to release your stress, or you may feel overloaded once it is _____ too much.
(A) accumulated
(B)confirmed
(C)facilitated
(D)cracked
The world's polar bear population thought to have recovered since hunting was largely banned or ___ throughout the Arctic 25 years ago.
(A) relieved
(B) released
(C) required
(D) restricted