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【单选题】
药物刚刚引起效应的量是 ( )A.
阈剂量
B.
治疗量
C.
效能
D.
效价强度
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【简答题】In them, there are tangible products can be creation such as automobile or a computer. Among organizations that do not create physical products, often when services are performed, intangible goods are...
【单选题】there are intangible benefits beyond a rise in the share price.
A.
visible
B.
invisible
C.
abstract
D.
specific
【单选题】How many intangible cultural heritages are there in China by the end of 2018.
A.
40
B.
41
C.
50
D.
51
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