Most of the environmental problems are man-made.()
Most of the environmental problems are man-made.()
相关考题：
The Operations Department is the one which takes care() the day－to－day business of the bank. A. the most ofB. most ofC. most
You can experience a fast internet connection in the same way as you do in the officeA.moreB.muchC.betterD.most
在MOST数据总线系统中， 把光信号变成电压，然后该电压被发送到MOST收发器。