股票既可平价发行,也可溢价或折价发行。( )
参考答案:错
Some university students are _____ to the Internet, so that they can't put their mind to their studies. [ ]
A. addicted
B. creative
C. special
D. unique
局部照明与一般照明共用时,工作面上一般照明的照度值宜为工作面总照度值的1/3~1/5,且不宜低于50lx。( )