认知科学研究当前的水平会制约教育评价合目的
A. 对
B. 错
Never beforeso highly successful in his attempts to modify the weather on a very small scale.
A. man has been
B. man is
C. has man been
D. will be man
I you everything’s going to be all right.
A. insure
B. assure
C. ensure
D. sure
Although happened in that developed country sounds like science fiction, it could occur elsewhere in the world.
A. this
B. how
C. what
D. it