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【单选题】
— 2008 is drawing near. Any changes in Beijing? — Yes, more stadiums arc being built, and ______ people are learning English. [ ]A.
more and more
B.
the more and the more
C.
the more and more
D.
more and the more
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【简答题】在大草原上,兔子和羚羊等小动物总是利用急转弯来摆脱狮子和猎豹的追捕,请说明其中的物理原理。
【单选题】陀螺仪主轴指北端在子午面东侧作上升运动，这是由于_____的作用。
A.
地球的自东向西旋转
B.
地球自转角速度的水平分量
C.
地球自转角速度的垂直分量
D.
陀螺仪的进动性
【简答题】相对技术差异论揭示“两利相权取其重，两弊相权取其轻”。( )
【单选题】Our earth can only be effectively saved when ______ .
A.
people of all nations become conscious of the danger and make joint efforts.
B.
governments in developed countries can formulate more strict laws and regulations.
C.
more volunteers can be organized to help the refugees throughout the world.
D.
the living standards of citizens in developing countries can be greatly raised.
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