Synonym of “impair” is _________?
					A. weaken
B. mend
C. entreat
D. corrupt
		A. weaken
B. mend
C. entreat
D. corrupt
		A. surrender
B. oppose
C. prevent
D. affirm
		A. protect against disease
B. benumb
C. render mute
D. sterilize
		A. attack
B. estimate
C. scale
D. indict
		A. direct
B. urge forward
C. enliven
D. ward off
		A. to brag
B. rest on
C. support
D. straddle
		A. exclusive
B. native
C. inactive
D. exotic
		A. fearless
B. unmistakable
C. incomparable
D. variable
		A. humble
B. incomplete
C. only
D. inferior
		A. loaf
B. approve
C. endure
D. suspend