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【单选题】
How old is the Colorful Sand Forest?
A.
270 million years old
B.
340 million years old
C.
210 million yesrs old
D.
300 million years old
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】下列有关盆腔CT检查质量控制标准的叙述,错误的是()
A.
清洁灌肠要求直结肠无大粪块,无气体积聚,肠道充分清洁
B.
保留灌肠要求直肠中度充盈,无粪块,对比剂充盈过乙状结肠远侧
C.
口服对比剂要求盆腔内小肠全面充盈对比剂
D.
膀胱充盈达标标准要求膀胱呈圆形,显示黏膜皱襞
E.
阴道塞位于阴道外口与宫颈开口之间
【单选题】In integer programming, the value of variable may be ( ).
A.
Integer
B.
0 or 1
C.
Integer which equal and greater than zero
D.
All three are possible
【单选题】When doing foot motions in Beat 1 and Beat 2 of the bounce-step and turning-around beating method, bounce from the ground at the （ ） with the （ ）.
A.
forefoot、foot arch
B.
forefoot、heel
C.
heel、foot arch
D.
heel、heel
【单选题】Why is the sand shaped instead of being loose?
A.
because of the rainfall and carbon dioxide
B.
because of a natural membrane layer outside
C.
because of the chemical elements of the sand
D.
All above
【单选题】Coastal sand sculpture is also called the ______.
A.
the quick decay sand sculpture
B.
the man-made sculptures
C.
the natural sand sculpture
D.
the artistic sand sculpture
【单选题】Which is not the megatrends in Energy-oriented Business?()
A.
Global warming
B.
Energy turnaround
C.
Corporate Social Responsibility
D.
Digitalization
【多选题】Sand sculptures can be divided into the ______and the ______.
A.
colorful sand sculptures
B.
inland sand sculptures.
C.
coastal sand sculptures
D.
colorless sand sculptures