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举一反三
【单选题】中国的含煤地层较早的石炭一二叠纪含煤地层先后经历了那些构造运动
A.
印支运动、燕山运动、喜马拉雅运动
B.
印支运动、喜马拉雅运动、燕山运动
C.
燕山运动、印支运动、喜马拉雅运动
D.
燕山运动、喜马拉雅运动、印支运动
【单选题】Madagascar There are at least 8 million unique species of life on the planet, if net far more, and you could be forgiven for believing that all of them can be found in Andasibe. Walking through ...
A.
At least 8 million unique species of life.
B.
More than 8 million unique species of life.
C.
A library of life on the planet.
D.
A kind of palm which can be found nowhere.
【单选题】由于人们从( )谷壁可以观察到从古生代至新生代的各个时期的地层,因而被誉为一部“活的地质教科书”。
A.
Awaawapuhi峡谷
B.
佩特罗斯大峡谷
C.
东非大裂谷
D.
科罗拉多大峡谷