8. government

7. rare (adj.)罕见的

6. during his stay (n.) / stay healthy (v.) / stay for a long time / stay at the hotel

5. provide sth. for sb. / provide sb. with sth.　

protect / pollute the environment　 /　 protected areas / reserves　　 ---- polluted (adj.)

prevent / stop / keep sb. from doing sth.

prevent / stop sth. to do sth.　　 prevention (n.)

4. nature ---- natural (adj.)

3. broad (adj.)宽大的 / board (n.)板 / abroad (adv.)在国外

2. in / to / on the north / northern part of China

1. north (n.)/ northern (adj.)　 south-west / south-western

24. mouse ----mice (pl.)

8A Unit 5

23. train (v.) 训练----training (n.) ---- trainer (n.)