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【单选题】
Much of human behavior is influenced by their______.A.
experiences
B.
wisdom
C.
knowledge
D.
parents
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【简答题】如图 所示, 不计滑轮重和摩擦 ,当分别用力匀速提起物体时,拉力 F 1 = F 2 ,则物体 C 与 D 的重力关系为 G C______ G D (选填“大于”、“等于”或“小于”)。 滑轮 ________ 可以看作省力杠杆(选填“ A ”或“ B ”)。 若两物体上升速度相同,则以物体 C 为参照物,物体 D 是 _________ 的(选填“运动”或“静止”)。
【单选题】According to the law of supply,
A.
producers are willing to supply larger amounts of a good as its price increases.
B.
the price of a good is directly related to the amount buyers choose to buy.
C.
the price of a good is inversely related to the amount buyers wish to buy.
D.
an inverse relationship between the price of a good and the amount producers supply.
【单选题】The law of supply implies that .
A.
there is a positive or direct relationship between price and quantity supplied
B.
the supply curve slopes upward
C.
as the price of the product increases, the quantity supplied increases
D.
all of these correctly state the law of supply
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