1. 根据汉语提示完成句子。

1. （1） These measures well in (已有效地保护) our homeland.

3. （2） (因为) the fine weather, my son can play in the open air.

5. （3） (至今), he has learnt about 1000 words.

7. （4） How will you (处理) your life and your work?

9. （5） (自然环境) are becoming worse and worse in the world now.