单项选择题

A．A discussion of air pollution.
B．Predictions of fuel surpluses.
C．Slides of recently discovered fossils.
D．A description of urban transportation patterns.
<上一题 目录 下一题>
热门 试题

单项选择题
A．1.3 seconds.B．Eight minutes.C．A life’s time.D．About four years.
A．1.3 seconds.
B．Eight minutes.
C．A life’s time.
D．About four years.
单项选择题
A．There won’t be enough seats for everybody.B．The speaker won’t show up.C．The seminar won’t be open to the public.D．The tickets may have been sold out.
A．There won’t be enough seats for everybody.
B．The speaker won’t show up.
C．The seminar won’t be open to the public.
D．The tickets may have been sold out.
相关试题