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【单选题】
人类的造血干细胞来自
A.
卵黄囊壁的胚外中胚层
B.
羊膜上胚外中胚层
C.
绒毛膜的滋养层
D.
绒毛膜的胚外中胚层
E.
细胞滋养细胞
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参考答案：
举一反三
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【单选题】With the appearance of __________, Longfellow's poetical fame was established.
A.
A Psalm of Life
B.
The Slave's Dream
C.
My Lost Youth
D.
The Song of Hiawatha
查看完整题目与答案
【单选题】一船的速度是否为安全航速，主要考虑：I、能否采取适当而有效的行动；II、能否在适合当时环境和情况的距离内把船停住；III、能否与他船构成碰撞危险
A.
I
B.
II
C.
I、II
D.
I、II、III
查看完整题目与答案
【单选题】According to most archaeologists, what is connected with the appearance of modern language?
A.
The emergence of modern tools .
B.
The emergence of a complex set of behaviors and tool use .
C.
The emergence of stone and ancient tools .
D.
The emergence of early humans .
查看完整题目与答案
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,其特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The written record of Chinese history dates back as far as with the appearance of scirpts .
A.
Xia Dynasty; on oracle bones and tortoise shells
B.
Shang Dynasty; on stone and tortoise shells
C.
Shang Dynasty; on oracle bones and tortoise shells
D.
Zhou Dynasty; on silk and stone
查看完整题目与答案
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,其特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Directions: With the appearance of the Internet, a new lifestyle—Soho, namely, small or home office, is developing quickly in the world. The following graph show its growth tendercy. You are supposed ...
查看完整题目与答案
【多选题】人们听到的声音是由物体振动产生的，它的频率在 范围内。超过 称为超声波，低于 称为次声波
A.
20Hz---20KHz
B.
20KHz
C.
20Hz
查看完整题目与答案
【单选题】People’s allegiance to sports has started with the appearance of modern Olympic Games.
A.
T
B.
F
C.
NG
查看完整题目与答案
相关题目：
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【单选题】With the appearance of __________, Longfellow's poetical fame was established.
A.
A Psalm of Life
B.
The Slave's Dream
C.
My Lost Youth
D.
The Song of Hiawatha
查看完整题目与答案
【单选题】一船的速度是否为安全航速，主要考虑：I、能否采取适当而有效的行动；II、能否在适合当时环境和情况的距离内把船停住；III、能否与他船构成碰撞危险
A.
I
B.
II
C.
I、II
D.
I、II、III
查看完整题目与答案
【单选题】According to most archaeologists, what is connected with the appearance of modern language?
A.
The emergence of modern tools .
B.
The emergence of a complex set of behaviors and tool use .
C.
The emergence of stone and ancient tools .
D.
The emergence of early humans .
查看完整题目与答案
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,其特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The written record of Chinese history dates back as far as with the appearance of scirpts .
A.
Xia Dynasty; on oracle bones and tortoise shells
B.
Shang Dynasty; on stone and tortoise shells
C.
Shang Dynasty; on oracle bones and tortoise shells
D.
Zhou Dynasty; on silk and stone
查看完整题目与答案
【判断题】平视体构图是概括性极强的富于装饰效果的构图方法,其特点是简练单纯。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Directions: With the appearance of the Internet, a new lifestyle—Soho, namely, small or home office, is developing quickly in the world. The following graph show its growth tendercy. You are supposed ...
查看完整题目与答案
【多选题】人们听到的声音是由物体振动产生的，它的频率在 范围内。超过 称为超声波，低于 称为次声波
A.
20Hz---20KHz
B.
20KHz
C.
20Hz
查看完整题目与答案
【单选题】People’s allegiance to sports has started with the appearance of modern Olympic Games.
A.
T
B.
F
C.
NG
查看完整题目与答案
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