有的同学爱酗酒，有的爱吸烟，有的爱看黄色书刊……甚至因此走上违法犯罪道路。所以我们应该注意要（    ）

①不断提高自己的判断能力    ②不断提高独立思考和自我控制能力

③学会拒绝不良行为              ④避免盲目从众

若点P（1，1）为圆${\left(x-3\right)}^2+y^2=9$的弦MN的中点，则弦MN所在直线的方程为（   ）

News
Place: playground(操场)
Time: 5:00pm this Thursday
Program(节目): a friendly soccer game between Class 3 and Class 4
Lost
Hello, everyone! Do you see a cat in the park? Its name is Molly. It is a black cat. If you see Molly, please call Mary at 820-9291.
Wanted
Do you play the guitar well? We need a guitar teacher to teach kids between the ages of seven and ten. The work time is from Tuesday to Saturday, 300 yuan for each day. Welcome to join us

“低碳生活”是指生活作息时所耗用能量要减少，从而降低碳（特别是二氧化碳）的排放．下列行为不利于 低碳生活的是（　　）