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【单选题】
代谢性碱中毒是由于()。
A.
血浆NaHCO 3 含量原发性降低所致
B.
血浆NaHCO 3 含量原发性升高所致
C.
血浆H 2 CO 3 含量原发性升高所致
D.
血浆H 2 CO含量原发性下降所致
E.
血浆NaHCO 3 和H 2 CO 3 同时升高所致
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举一反三
【单选题】If the cross-price elasticity between two goods is negative, the two goods are likely to be
A.
luxuries.
B.
necessities.
C.
complements.
D.
substitutes.
【多选题】脂质体的特点有()
A.
具有靶向性
B.
具有缓释性
C.
降低药物稳定性
D.
增加药物毒性
E.
具有细胞亲和性与组织相容性
【单选题】If two goods are perfect substitutes, then the indifference curves for those two goods would be
A.
upward sloping and concave to the origin.
B.
downward sloping and convex to the origin.
C.
downward sloping and straight.
D.
L-shaped.
【多选题】脂质体的特点有( )
A.
靶向性和细胞亲和性
B.
提高药物稳定性
C.
药物不易渗漏
D.
缓释作用
E.
降低药物的毒性
【单选题】If two goods are perfect complements,
A.
indifference curves have a positive slope.
B.
consumers will only buy the cheaper of the two goods.
C.
there is a bliss point and the indifference curves surround this point.
D.
None of the above.
【单选题】下列关于电位描述不正确的是( )
A.
电位也是电压
B.
U AB =V A -V B
C.
与参考点无关:
D.
参考点电位为0
【判断题】通用别克君威车的电动座椅和电动后视镜所用的电动机是一样的。
A.
正确
B.
错误
【多选题】脂质体的特点有()
A.
具有靶向性
B.
具有缓释性
C.
降低药物稳定性
D.
增加药物毒性
E.
具有细胞亲和性与组织相容性
【多选题】脂质体的特点有( )
A.
. 靶向性和细胞亲和性
B.
提高药物稳定性
C.
药物不易渗漏
D.
缓释药物
E.
降低药物的毒性
【单选题】If two goods are perfect complements,
A.
consumers will only buy the cheaper of the two goods.
B.
there is a bliss point and the indifference curves surround this point.
C.
indifference curves have a positive slope.
D.
None of the above.
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