答案　C

　　解析　主旨大意题。同上。

　　3．What can you conclude from the passage?

　　A．All the students look forward to China's later space program.

　　B．Astronauts feel lonely during such a long space trip.

　　C．There is no gravity in the spaceship.

　　D．A composition contest had been held before the spaceship was launched.

　　答案　D

　　解析　推理判断题。从"Her letter was one of the 10 winning letters taken into space by Fei and Nie"可推出。

　　4．The underlined part"such a great scientific achievement" in Paragrph 4 refers to ________．

　　A．China's future space program

　　B．The achievement that US astronauts achieved

　　C．Fei and Nie succeeded in traveling space in the Sixth Shenzhou Spaceship

　　D．Fei and Nie made their head upside down in the spaceship

　　答案　C

　　解析　词义猜测题。从文章第二段可得到答案。

　　B

On the morning of November 18，1755, an earthquake shocked