[单项选择]Good harvest this year has made it possible for us to supply walnuts ______ last year's prices.
A. at
B. in
C. against
D. on

[单项选择]Good harvest this year has made it possible for us to supply walnuts ______ last year's prices.
A. at
B. in
C. against
D. on

[单项选择]The good results made Sam （）
A. happily 
B. to be happy
C. happy 
D. happiness

[填空题]The volume of drugs consumed every year has exceeded that of petroleum in the world.

[单项选择]

Car of the Future The year 2012 will definitely usher in（迎接）new dimensions technology, not only in the field of communications but also in transportation. In less than 12 years’ time, the car that we now drive will practically drive itself on specially built roads and provide its passengers with all kinds of conveniences. Scientists have been experimenting on special devices that may soon become standard equipment on automobiles. Experts in the car industry speculate that in the year 2012, certain highways will be provided with sensors（感应器） buried beneath them. These sensors will emit signals that will be picked by similar sensors in the car and will enable the driver to put the car in “automatic pilot”, just like modern jetliners, until it turns off the highway. A danger commonly face by long-distance drivers is falling asleep at the wheel. In the future this major cause of fatalities will be practically eliminated. The car of the future will have a three-dimen
A. communication
B. sensors
C. standard equipment
D. conveniences

[填空题]John’s performance in this exam made us feel rather (disappoint) _______.

[单项选择]The new factory that has been built next to us has（）the value of our house.
A. demoralized
B. depreciated
C. deterred
D. derailed

[单项选择]What has made Olivia a successful woman
A. her ability to learn new things
B. her knowledge obtained in university
C. her fundamental understanding of business

[单项选择]Chomsky has made the distinction between linguistic competence and ______.
A. linguistic performance
B. communicative competence
C. reading performance
D. universal grammar