根据中文、首字母和句意完成句子。

1. A dancer needs a lot of _____ (能量) to dance.

2. It is i_____ for us to learn English well.

3. —Do you often e_____?

    —Yes. I like swimming very much.

4. The girl c_____ her diet because she wants to be healthier.

5. We like playing c_____ games and chatting with our friends on the I_____.

6. I ate two pieces of b_____, two eggs, a bowl of n_____ and some v_____ for breakfast this morning.

7. Let's buy some potatoes and _____(胡萝卜).

8. How often do you eat_____(水果) and vegetables?

9. You should eat h_____ food and e_____ more.

10. This fruit is yellow and it t_____ sour.

读“地形分布图”，完成下列要求。

（1）图中数码代表的山脉名称是：

    ①__________；②__________；③__________；④__________；⑤__________。

（2）高原：⑥__________。 

    盆地：⑦__________；⑧__________。

    平原：⑨__________；⑩__________。