【单选题】Two firms, A and B, each currently emit 100 tons of chemicals into the air. The government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution...
A.
Firm A will buy all of Firm B's pollution permits. Each one will cost between $100 and $200.
B.
Firm B will buy all of Firm A's pollution permits. Each one will cost between $100 and $200.
C.
Both firms will use their own pollution permits.
D.
Firm A will buy some of Firm B's pollution permits. Each one will cost less than $100.
【单选题】共享单车以其价格低廉、随骑随停 优势,解决了人们出行“最后一公里”的接驳难题,成为交通出行领域供给侧改革的新兴力量。对于共享单车的使用,下列理解正确的是( ) 1 让消费者在一段时间内获得了单车的所有权 2 让消费者在一段时间内获得了单车的使用权 3 使用共享单车属于租赁消费 4 使用共享单车会缩小人们的收入差距
【单选题】共享单车属于哪一种为导向的产品服务系统设计?
【判断题】CPU响应中断时,硬件自动保护断点地址,并自动转去执行中断服务程序。 ( )
【判断题】CPU 响应中断时,硬件自动保护断点地址,并自动转去执行中断服务程序。 ( )