Australia.s most common plans are()
A、oaks and elms
B、palms and pines
C、willows and poplars
D、eucalypts and wattles
A、oaks and elms
B、palms and pines
C、willows and poplars
D、eucalypts and wattles
A、Because Australia is too far away from Europe. B、Because Australia is the least mountainous and most level of the world.s continents. C、Because Australia is separated from the rest of the world by seas. D、Because most of the continent is hot and dry.
A、Because it was the first colony established by Britain in 1788. B、Because it is the biggest state in Australia. C、Because it is the most important state in Australia. D、Because it has the largest population in Australia.
A、A.north-west of Australia B、B.south-east of Australia C、C.north-east of Australia D、D.south-west of Australia
A、500Kbit/s B、100Kbit/s C、20Kbit/s D、MKbit/s
A、path cisco.com B、debug cisco.com C、trace cisco.com D、traceroute cisco.com
A、path cisco.com B、debug cisco.com C、trace cisco.com D、traceroute cisco.com
A、如图所示的关系R和S,计算:R1=R-S、R2=R∪S、R3=R∩S、R4=R×S。
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