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【多选题】
“交易性金融资产”科目核算为交易目的而持有的 ( )A.
股票投资
B.
债券投资
C.
基金投资
D.
认购权证
E.
认沽权证
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】大数据的利用过程是 （ ）
A.
采集——挖掘——清洗——统计
B.
采集——统计——清洗——挖掘
C.
采集——清洗——统计——挖掘
D.
采集——清洗——挖掘——统计
【单选题】In the doctor's view,_________
A.
there are both advantages and disadvantages of being rich.
B.
traveling a lot will be beneficial to children.
C.
rich children usually.have little confidence in themselves.
D.
rich kids are often short of money because of their life of luxury.
【简答题】Compare several of the key advantages and disadvantages of observation and survey research.
【简答题】设光纤的纤芯折射率n1=1.500,包层折射率n2=1.485。求: (1)相对折射率差Δ; (2)数值孔径NA; (3)入射临界角θmax 。
【多选题】Choose the several key advantages of nanocarriers over conventional, molecular agents in medicine.
A.
They enable stable aqueous dispersions of active, but poorly water soluble molecular agents, for delivery.
B.
Nanocarrier should exhibit no toxicity and be safely excreted from the body.
C.
Their composition, size, shape, and suce properties can be tailored so that, they can protect the encapsulated agents from degradation.
D.
Nanocarrier matrix can be designed for controlled release of drugs at target areas for optimal and sustained drug action.
【单选题】This passage mainly deals with ______.
A.
food storage
B.
advantages of canned food
C.
the art of canning
D.
canning food
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