I. 听录音,根据所给的词语解释,将你听到的词语代号写在相应的横线上。(5分)
1. groups of similar animals or plants ______
2. people who offer to do work without pay ______
3. a kind or sort ______
4. feel sad ______
5. the skin of a dead animal specially prepared for use ______
II. 听录音,将你听到的部分与所给的部分组成一个意思完整的句子。只填代号。(5分)
1. Zhalong is important ______________.
2. If we don't protect the wetlands, __________.
3. Their plane leaves ______________.
