黄金T+D产品的特点包括()。
A.交易时间灵活
B.交易多样化，有做空机制
C.保证金模式
D.无交割时间限制
E.交易资金量限制
第1题
第2题
Which of the following is NOT suggested in the last paragraph？
A．People may not see the significance of certain new technologies immediately after they appear.
B．It may take several years for people to realise the impact of new technologies on our culture.
C．New technologies are likely to make it difficult to preserve valuable information.
D．New technologies will enable us to have access to more valuable information.
第3题
第4题
Which of the following is the idea conveyed by this text？
A．The newest technologies look most likely to vanish; the oldest may always be with us.
B．Revolutionary digital technologies may extinguish old ones one day.
C．Molecular technology might be the terminator of other technologies.
D．Imperfectness is where the life of old technologies lies.
第5题
第6题
A．VDSL
B．SDSL
C．OC3
D．ATM
第7题
A．10Base-T
B．100Base-T
C．100Base-FX
D．1000Base-T
第8题
A．Star
B．Bus
C．Mesh
D．Ring
第9题
A.denial of service
B.brute force
C.reconnaissance
D.Trojan horse
第10题
A.denial of service
B.brute force
C.reconnaissance
D.Trojan horse
