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搜题
【单选题】
婴幼儿化脓性脑膜炎最常见的细菌是A.
肺炎链球菌
B.
大肠杆菌
C.
葡萄球菌
D.
溶血性链球菌
E.
绿脓杆菌
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The income elasticity of demand is ( ) for a normal good and ( ) for an inferior good.
A.
positive; positive
B.
positive; negative
C.
negative; positive
D.
negative; negative
【单选题】For an inferior good, the demand curve
A.
must have a negative slope
B.
is likely to be horizontal
C.
must have a positive slope
D.
may have a positive slope
【判断题】A decrease in income will shift the demand curve for an inferior good to the right.
A.
正确
B.
错误
【判断题】A decrease in income will lead to an increase in the demand for an inferior good.
A.
正确
B.
错误
【简答题】If income rises in the market for an inferior good, will the demand curve for the inferior good shift to the right or to the left?
【单选题】The income effect for an inferior good
A.
is negative.
B.
is zero.
C.
is positive.
D.
could be negative, zero, or positive.
相关题目：
【判断题】A decrease in income will shift the demand curve for an inferior good to the right.
A.
正确
B.
错误