146.As one of the youngest professors inthe university,Mr.Brown is certainly on the _____ of a brilliant career.
A) porch
B) threshold
C) edge
D) course

147.They are _____ investors who always make thorough investigations both on local and international markets before making an investment.
A) indecisive
B) implicit
C) cautious
D) conscious

148.Most people in the modern world _____ freedom and independence more than anything else.
A) illuminate
B) fascinate
C) cherish
D) embody

149.Doctors are interested in using lasers as a surgical tool in operations on people who are _____ to heart attack.
A) prone
B) disposed
C) infections
D) accessible

150.These were stubborn men,not easily _____ to change their mind.
A) tilted
B) converted
C) persuaded
D) suppressed

151.The circus has always been very popular because it _____ both the old and the young.
A) facilitates
B) fascinates
C) immerses
D) indulges

152.By patient questioning the lawyer managed to _____ enough information from the witnesses.
A) evacuate
B) withdraw
C) impart
D) elicit

153.George enjoys talking about people's private affairs.He is a _____.
A) solicitor
B) coward
C) gossip
D) rebel