9.A young man is being hailed a hero tonight after rescuing two children.
A.reported
B.proved
C.caught
D.praised
10.He asserted that nuclear power was a safe and non—polluting energy source.
A.maintained
B.recommended
C.considered
D.acknowledged
11.It is possible to approach the problem in a different way.
A.handle
B.raise
C.pose
D.experience
12.The study also notes a steady decline in the number of college students taking science courses.
A.relative
B.general
C.continuous
D.shard
13.For some obscure reason，the simple game is becoming very popular.
A.obvious
B.major
C.unclear
D.minor
14.The decision to invade provoked storms of protest.
A.ignored
B.organized
C.caused
D.received
15.Forester stared at his car，trembling with rage.
A.turning
B.jumping
C。shouting
D.shaking