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【单选题】
遗传信息的基本单位是（ ）A.
外显子
B.
染色体
C.
DNA
D.
基因
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皮皮学刷刷变学霸
举一反三
【简答题】一级价格歧视是生产者对 ,这就是一级价格歧视。
【单选题】当域对象中需要删除属性时，将调用的监听器方法是（）(单选)
A.
attributeAdded()
B.
attributeRemoved()
C.
attributeDeleted()
D.
addedAttribute()
【单选题】Which of the following is true about the joint ventures formed by White-owned companies and minority-owned concerns?
A.
Many joint ventures formed by White-owned companies and minority-owned concerns are for illegitimate reasons.
B.
White-owned companies and minority-owned concerns have equal status in the joint ventures.
C.
Minority-owned concerns are not taken as full partners in legitimate joint ventures.
D.
It is a risk for White-owned companies to form. joint ventures with minority-owned concerns.
【单选题】It is reported that the ______of some of the joint ventures can't meet their expenditure.
A.
taxes
B.
revenues
C.
credits
D.
deficits
【单选题】In the future, the oil market shares will be divided equally by the joint ventures, the state-owned enterprises and the private companies.
A.
Y
B.
N
C.
NG
【单选题】当域对象中需要删除属性时,将调用的监听器方法是()
A.
attributeAdded()
B.
attributeRemoved()
C.
attributeDeleted()
D.
addedAttribute()
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