“节能减排”是当今社会发展的主题。下列做法中，不符合这一主题要求的是 [ ]

A．回收已生锈的废旧钢铁

B．推广使用太阳能热水器 

C．燃料燃烧时供给充足的氧气

D．将实验后的废液直接倒入下水道

用词组填空。

1. This email is _____ Lin Li _____ Kelly. (从……到)

2. _____ (谢谢你的) your email.

3. _____ (我很高兴回答) your questions about my subjects.

4. I can _____ (打鼓) in the school band.

5. We _____ (不上课) on Saturday and Sunday.

6. _____ (在所有的科目中) I like Biology best.

7. We _____ ( 种树) and flowers in the lab.

8. Kitty _____ (最喜欢生物课). Because she can _____ (做一些有趣的实验) in the class.

9. What is _____ (林莉最喜欢的科目)?

10. Please _____ ( 告诉我关于) your favorite subject.

11. I _____ (喜欢) swimming.

12. My brother _____ ( 热衷于) playing football.