1 . 碰到许久未见的同学，你可以这样说：
____________________________.

2 . I want to be a ________ (科学家) in the future.

3 . The human brain ________（weigh）about 1.4 kilograms, but it can hold much more information than most computers.

4 . John goes on a short j________ in the boat.

5 . The teacher always tells us the_________(important)of being an honest man．

6 . Liu Yang, an ________（优秀的） astronaut, is the first Chinese woman to go to outer space（太空）.

7 . Yunnan is ________ the southwest of China.

A．on

B．at

C．to

D．in

8 . Hou Yi is the main character of a traditional Chinese story and he s ________   nine suns in the story.

9 . Tony is one of the most ________ (有创造力的) students in our school.

10 . 直线上有2010个点，我们进行如下操作：在每相邻两点间插入1个点，经过3次这样的操作后，直线上共有______个点.