题目内容

学校的学习需要处理好现实任务环境和模拟任务环境间的合理关系,最重要的是区分()之间的差异。

A. 心理逼真度
B. 物理逼真度
C. 功能逼真度
D. 任务逼真度

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As he _____ the newspaper, Grandpa ____ asleep.

A. read, was falling
B. was reading, fell
C. was reading, was falling
D. read, fell

The environment of our country is already good and it _____ even better.

A. had got
B. got
C. has got
D. is getting

You_______ TV. Why not do something more meaningful now?

A. always watch
B. always watched
C. have always watched
D. have always been watching

The officer _____ Beijing and he will give us a talk when he _____ back.

A. has gone to/comes
B. has been to/will come
C. has gone to/will come
D. has been to/comes

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