单词拼写。

1. Foods, such as rice, sugar, butter, oils and so on can give us e___________.

2. Children's _________ (好奇心) with everything plays an important part in their study.

3. It may take a few weeks for you to build up your _________(体力) again.

4. The ______________(起源) of some words are unknown.

5. Millions of people in Africa are still _____________(挨饿) to death at present.

6. I don't mind a_________ to others if I make a mistake.

7. D_________ is the sweet food served after the main course of a meal.

8. I had thought it was a terrible film. On the _________ (正相反), it was exciting.

9. Her excuse for being late was totally _________ (难以置信的).

10. The explorer told the boys about his _________ (冒险)in the Arctic