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【单选题】
一袋子中有9个,1个红球。从中不放回地取10次,每次取1个球. 第10次取到红球的概率为A.
0
B.
1/10
C.
9/10
D.
1
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皮皮学刷刷变学霸
举一反三
【单选题】_______ is one of the great scientific achievements which paved the way for modern surgery.
A.
G ene based products
B.
V accination
C.
A spirin
D.
A nesthesia
【单选题】_______ is one of the great scientific achievements which paved the way for modern surgery .
A.
Anesthesia
B.
Aspirin
C.
Vaccination
D.
Gene based products
【单选题】__________ is the study of the chemicals derived from plants by modern and scientific theories and methods.
A.
Hydrophyte
B.
Phytochemistry
C.
Xerophyte
D.
Respiration
【单选题】( )4. He provided the foundations of modern scientific methodology and thought
A.
Confucius
B.
Descartes
C.
Nietzsche
D.
Plato
E.
Aristotle
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