Ⅰ. 根据语境及汉语提示写出正确单词
1. He is good at his job but he seems to (缺乏) confidence.
2. I was ill that day. (否则), I would have taken part in the sports meeting.
3. I found something large (漂浮) in the sea about a mile away from the shore.
4. He (争论) with John about which to choose.
5. (经常的) exercise is an important part of keeping me healthy.
6. We have taken effective measures to preserve our natural (资源).
7. Mark said his English was so (有限的) that he wasn’t quite sure about some of the idioms.
8. The tubes were (绑) to a long stick which helped keep the rocket moving in a straight direction.
9. The little boy helped his father to solve the (谜).
10. The garbage is then taken away and, if possible, (回收利用).
