A:从生态系统的成分分析,雾霾属于非生物的物质和能量
B:从生态系统稳定性分析,雾霾说明生态系统的自我调节能力丧失
C:从生态系统的信息传递分析,雾霾可作为物理信息影响种群繁殖
D:从生态系统的保护分析,雾霾是人类生产和生活所造成的环境污染
句型转换(1)Both he and I are from Beijing.,(改为否定句)____ he____ I am from Beijing(2)The box is too big for me to carry.(同义句转换)The box is____ big____ I can’t carry it.(3)I like this CD because I can take it to the party.(对划线部分提问)____ do you ____ CD?(4)My mother allows me to choose my own clothes.( 同义句转换)I ____ ____ to choose my own clothes(5)I spent one hundred Yuan in buying the present.(同义句转换)The present____ ____ one hundred Yuan