There are______contests, where each athlete competes alone.
A. individual
B. private
C. single
D. personal
查看答案
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
The temperature______enormously — the days were very hot, the nights very cold.
A. reflected
B. modified
C. varied
D. departed
A．IBM公司B．Microsoft公司C．Microsoft和IBM联合D．Bell实验室
A. IBM公司
B. Microsoft公司
C. Microsoft和IBM联合
D. Bell实验室
微信支付 
支付宝支付