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【单选题】第四纪冰期进入沃姆冰期阶段,在距今4万年前之后变得更加寒冷了。其中,从距今2.1万年到距今1.8万年前的这段时期,被称为最终冰期( )(LGM: Last Glacial Maximum)。
A.
开始
B.
发展
C.
结束
D.
极寒期
【单选题】New ice core samples taken from the centre of the Greenland ice-sheet have given a detailed record of the last "interglacial period (间冰期)" which range from about 135,000 to 115,000 years ago. The core...
A.
We have been changing the climate with thoughtless actions for decades
B.
We have been handling machines with poor skills for decades
C.
We have been following a misleading chapter about the earth for decades
D.
We have been mistaken in the belief in developing the agricultural infrastructure
【单选题】Passage Two New ice core samples taken from the centre of the Greenland ice-sheet have given a detailed record of the last "interglacial(间冰期)" which ran from about 135,000 to 115,000 yea...
A.
there is an unseen hand controlling the earth’s movement
B.
there is an operating manual warning people against air-conditioning in the factory
C.
people should prepare operating manuals to tell workers how to get greater comfort
D.
people have been enjoying the most comfortable climate in Earth’s history