5. The eyes are s_________ to light.

4. Water f________ when the temperature falls below 0 degree centigrade.

3. The population of the village has __________ (减少)by 150 to 500.

2. Mars(火星) and Venus(金星) are two p_______ which move around the sun.

1. Did you get much b_______ from your holiday?

15、释放；放出

13、从~~中获益　　　　　　　　　　　 14、一直；一路上

11、敏感的；灵敏的　　　　　　　　　 12、娱乐；消遣

9、吸收　　　　　　　　　　　　　　 10、变小；减少

7、(使)飘浮　　　　　　　　　　　　 8、立方的