It is reported that the government has _________ the outbreak of violence by sending a large group of soldiers to police the area． A．gone for B．reacted to C．a
Our environment isn’t as green and beautiful as it should be. There are steel(钢铁) monsters blocking out the sun, blowing out dangerous smoke, and letting out poisonous chemicals into rivers,
工作，
断开
保温时
串联
解析: