在第15届亚运会上被称为“中国马拉松第一人”的运动员是谁？
参考答案：
周春秀。
The astronaut did many experiments in the spaceship, ______ much help for knowing space.
A．which we think it is
B．which we think are of
C．of which we think are
D．I think which is of
只有通过操作系统才能完成对计算机的各种操作。( )
