选词填空 A. when B. month C. newspaper D. sp

题型:填空题

问题:

选词填空
     A. when   B. month   C. newspaper   D. spent   E. school   F. one
     G. work   H. past   I. pay   J. weather   K. put   L. because
     Bill was thirteen years old.  He was a school boy in seventh grade.  FIe was also a (1)_____ boy.
     Each morning Bill left The house at a quarter (2)_____ five to go to the corner.  He had to get newspaper there.
He always rode a bike to carry them.
     In the winter it was still dark (3)_____ he got iip, but it was bright in other seasons(季节). Bill had to send the
newspapers to the houses in all kinds of (4)_____. Bill had to (5)_____ each paper in the box where it was safe.
Once a (6)_____ he had to collect money from his customers(订户) at night.
     Bill made about $70 each month, and he was saving some of the money to go to college (大学). He (7)_____
the other money on books and clothes.
    At (8)_____ Bill studied hard. He was (9)_____ of the best students in his class. His teacher often praised(表扬)
him for his hard (10)_____.
考点:故事类阅读
题型:填空题

(4×2n)÷(2×2n-1)的计算结果是______.

题型:填空题

在平面直角坐标系中,点P(﹣1,2)的位置在(  ) [ ]

A.第一象限

B.第二象限

C.第三象限

D.第四象限

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通常,边际贡献是指产品边际贡献,即销售收入减去生产制造过程中的变动成本和销售、管理费用中的变动费用之后的差额。 ( )

题型:填空题

细粒中的人工砂是以岩石轧制而成的粒径在( )mm以下的石屑颗粒。

A.1
B.3
C.5
D.7

题型:填空题

共发射极电路中,晶体三极管的输出特性曲线描述的是三极管的输入电压和输入电流的数量关系。

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