A：采用滴灌的方式浇灌园林
B：合理使用农药和化肥
C：生活污水任意排放
D：工业废水处理达标后排放
人体完成呼吸运动的主要肌肉是（ ）
It's windy and cold _________ winter _________ Beijing.
Tom: Hello! My name is Tom. What's your name?
Lily: My name is Lily.
Tom: Are you new?
Lily: Yes!
Tom: What class are you in?
Lily: I'm in Class 1, Grade 6.
Tom: Me too.
Lily: Can you show me our classroom?
Tom: OK! It's on the 3rd floor.
