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 illB tired
C worriedD peaceful
4 The water in this part of the river has been contaminated by sewage (污水).
A polluted B downgraded
C mixedD blackened
5 Her treatment of the subject is exhaustive.
A very boring B very thorough
C very interesting D very touching
參考答案：1. D 2. C 3. B 4. A 5. B