【单选题】linux中root用户的默认提示符最末字符是哪个?
【判断题】Green retailing yields both top- and bottom-line benefits.
【单选题】Investors are interested in Internet retailing because________.
A.
selling online involves little risk
B.
Internet retailing is in its initial stage
C.
it can easily reach millions of consumers
D.
they can make huge profits from it
【判断题】语言系统的各个子统与社会发展的联系没有很大的不同。
【单选题】报警阀根据系统的不同,其类型不包括()。
【单选题】Investors are interested in Internet retailing because______.
A.
selling online involves little risk
B.
Internet retailing is in its initial stage
C.
they can make huge profits from it
D.
it can easily reach millions of consumers