1、 The price of vegetables fluctuates according to the weather.
A．jumps
B．rises
C．falls
D．changes
2、 Did you do that to irritate her?
A．tease
B．attract
C．annoy
D．protect
3、 Mary looked pale and weary.
A．ill
B．tired
C．worried
D．peaceful
4、 The water in this part of the river has been contaminated by sewage (污水的).
A．polluted
B．downgraded
C．mixed
D．blackened
5、 Her treatment of the subject is exhaustive.
A．boring
B．thorough
C．interesting
D．touching
6、 It is absurd to predict that the sun will not rise tomorrow.
A．ridiculous
B．funny
C．odd
D．foolish
7、 A lot of people could fall ill after drinking contaminated water.
A．muddied
B．polluted
C．mixed
D．troubled
8、 The room is gloomy but tidy,
A．tiny
B．pleasant
C．dark
D．agreeable
9、 The index is the government's chief gauge of future economic activity
A．measure
B．opinion
C．evaluation
D．decision
10、 It's prudent to start any exercise program gradually at first.
A．workable
B．sensible
C．possible
D．feasible
11、 He is renowned for his perfect performace in the movie,
A．remembered
B．praised
C．recommended
D．well-known
12、 You have to be patient if you want to sustain your position.
A．maintain
B．establish
C．acquire
D．support
13、 She stared at his son and shaked with anger.
A．jumped
B．cried
C．swayed
D．trembled
14、 Medical facilities are being upgraded.
A．renewed
B．repaired
C．improved
D．increased
15、 we are so tired after one work on this program.
A．gloomy
B．ugly
C．silly
D．exhausted