如图为矿区生态恢复工程流程图，请据图回答：

（1）该工程正好体现了生态工程的主要任务是对____ 进行修复，对造成环境污染和破坏的生产方式进行改善，并提高生态系统的生产力．

（2）恢复植被的措施是种植适应性强、耐干旱的灌木、草和树，为什么不种植农作物？____ ．

（3）该工程遵循的主要原理是（写出两条）____ ．

选择合适的选项。

（____）1.He is talking at the cinema.

（____）2.We are playing with dog.

（____）3.She is coloring at her desk.

（____）4.They are working in the library.

（____）5.They are walking on a bridge.

A. Keep to the right.

B. Talk quietly.

C. Take turns.

D. Keep your desk clean.

E. Work quietly