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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
相关题目：
【单选题】地球行成至今共出现过三次大冰期:1石炭—二叠纪大冰期2第四纪大冰期3震旦纪大冰期,其发生的正确顺序为:
A.
①②③
B.
②①③
C.
③①②
D.
③②①
【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】我国河流有无结冰期的分界线是（）
A.
长江
B.
秦岭—淮河
C.
黄河
D.
珠江
【单选题】提出第四纪冰期气候波动成因的天文学假说的人是
A.
瑞纳德
B.
比尔德
C.
斯特恩
D.
米兰科维奇
【判断题】当冰期结束，气候变暖，随之而来的是人类的活动增加，文化发展迅速。
A.
正确
B.
错误
【单选题】我国河流有无结冰期的分界线是（ ）
A.
长江
B.
秦岭-淮河
C.
黄河
D.
珠江
【单选题】位于水库、江河中的桥梁，其墩台不足以承受冰压力时，应在冬季结冰期进行（ ）工作。
A.
防洪
B.
破冰
C.
防凌
D.
定期检查
【单选题】在冬季结冰期，实体墩台冰沟与墩台间距离可为（）。
A.
0.5～5m
B.
0.3～1.0m
C.
1.0～1.5m
D.
0.3～0.5m
【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
【判断题】震旦纪大冰期是具有世界意义的最古老的一次冰期。( )
A.
正确
B.
错误
【单选题】冰期的（）分布不均匀或测速垂线上冻实时，测速垂线的位置应及时进行调整或补充。
A.
流冰
B.
岸冰
C.
冰花
D.
水中冰
【单选题】有些受结冰影响的小河站的冰期流量，随气温的周期{.XZ}而有相应的变化，对水位—流量关系产生影响。
A.
年变化
B.
季变化
C.
月变化
D.
日变化
【判断题】末次冰期消融后大熊猫的种群扩张，其实质是大熊猫种群基因频率发生了动态变化。
A.
正确
B.
错误
【单选题】最近一次冰期结束后，中国进入()时期。
A.
母系氏族
B.
父系氏族
C.
D.
封建制