According to the speaker, how many people have been added per year to the present populati
A.80 million.
B.70 million.
C.More than 3 500 million.
D.About 3 000 million.
A.80 million.
B.70 million.
C.More than 3 500 million.
D.About 3 000 million.
According to the passage, ______ plays an important role which cannot be ignored.
A.the speed of time travel
B.the relationship between people
C.the destination of time travel
D.the length of time travel
According to Paragraph 3, which of the following statements is TRUE?
A.Teenagers should spend more time learning to drive.
B.Driving is a skill too complicated for teenagers to learn.
C.Restrictions should be imposed on teenagers applying to take driving lessons.
D.The licensing authorities are partly responsible for teenagers' driving accidents.
SPE(Stani's Python Editor)是Python的集成开发环境,依赖wxPython。()
A.同环UPE之间走的是SR-BE隧道
B.SPE和NPE之间采用的SR-TP隧道
C.跨接入环UPE之间无直连隧道,走SR-BE隧道到SPE点后再转发
D.SPE和SPE之间采用的是SR-BE隧道
A.主SPE到主NPE仅需一条隧道
B.主SPE到备NPE仅需一条隧道
C.主SPE到备NPE无需部署隧道
D.主SPE到主NPE仅需主备两条隧道