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【单选题】
产品的 指产品在存放和使用过程中,对使用者的财产和人身不会构成兵贵损害的特性。A.
安全性
B.
可靠性
C.
适用性
D.
寿命
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反馈参考答案：
举一反三
【单选题】Until 2007, the price of sport utility vehicles (SUVs) rose and each year more were purchased. This experience suggests that
A.
there must have been technological advances in the way SUVs are produced.
B.
the law of demand does not hold true in this market.
C.
there must have movement leftward along the supply curve for SUVs.
D.
there must have been a rightward shift of the demand curve for SUVs.
【单选题】During the 1990s, the price of SUVs rose and each year more were purchased. This suggests that ________.
A.
there must have been technological advances in the way SUVs were produced.
B.
the “law of demand” does not hold in this market.
C.
there must have movement leftward along the supply curve for SUVs.
D.
there must have been a rightward shift of the demand curve for SUVs.
【判断题】1858年,美国的生态文学家,《瓦尔登湖》的作者梭罗(Henry David Thoreau)在与友人的书信来往中首次使用了“Ecology” 也就是生态学这一词。
A.
正确
B.
错误
【简答题】学习中国旅游地理的方法有哪些?
【简答题】supply /sə ˈ plaɪ/ n./v.
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