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【判断题】
基团转位运输，除了在运输过程中物质发生化学变化这一特点外，其他特征均与主动运输方式相同。( )A.
正确
B.
错误
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【简答题】Hi, I am Simon. This is my school. It is very beautiful and modern（时尚）. My classroom is very bright and big. There are a lot of nice students in my class. Daniel is my best friend. He is good at math....
【单选题】Almost ( ) fruits and vegetables contain riboflavin; the richest sources are leafy green vegetables such as spinach, kale, or turnip greens.
A.
every
B.
some
C.
all
D.
none
【单选题】Almost( )fruits and vegetables contain riboflavin(维生素BZ); the richest sources are leafy green vegetables such as spinach, kale, or turnip greens.
A.
every
B.
some
C.
all
D.
none
【单选题】Which of the following events creates a movement along, but not a shift of, the supply curve for spinach?
A.
Disastrous weather that destroys half of this year’s spinach crop.
B.
A rise in the price of spinach.
C.
An increase in wages for workers in spinach fields.
D.
Great weather that produces a bumper spinach crop this year.
【简答题】A．Lettuce. B．Spinach. C．Parsley. D．Watercress.
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