IOS系统用户界面支持多点触控()
A.正确
B.错误
参考答案:A
某工厂监测得到标准状态下的烟气流量为180m3/h,烟气治理设施进口浓度为1100mg/m3,治理后浓度为180mg/m3,未设置监测二氧化硫排放浓度装置,每年运行320d,每天18h,且每年燃煤量为250t,燃煤含硫量为1.2%,未设置除硫设施。该工厂烟气去除量为()。
A.954t
B.231t
C.480t
D.1140t
With the quality-oriented education being carried out, teachers won’t _______too much importance to students’ grades.
A.involve
B.attach
C.display
D.stress