If fire is not stopped in time, it will______the forest.
A. injure
B. harm
C. hurt
D. destroy
There are______contests, where each athlete competes alone.
A. individual
B. private
C. single
D. personal
Once again I had to abandon the route I had______planned.
A. firstly
B. presently
C. originally
D. primitively
A．单用户单任务B．单用户多任务C．多处理机D．多用户多任务
A. 单用户单任务
B. 单用户多任务
C. 多处理机
D. 多用户多任务
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