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【单选题】
距今最近的第四纪冰期结束的标志是
A.
晚期智人产生
B.
猛犸象的灭绝
C.
旧石器时代开始
D.
新石器时代开始
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举报参考答案：
举一反三
【单选题】进入第二产程的主要标志是（）
A.
宫口开大10cm
B.
胎头披露
C.
胎头着冠
D.
肛门括约肌松弛
E.
外阴膨隆
【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】进入第二产程的主要标志是（）
A.
宫口开大10cm
B.
胎头披露
C.
胎头着冠
D.
肛门括约肌松弛
E.
外阴膨隆
【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
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