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【单选题】
预算线绕着它与横轴（代表商品X的数量）的交点逆时针转动的原因是（ ）。A.
商品X的价格上升
B.
另一种商品Y的价格上升
C.
商品X的价格下降
D.
另一种商品Y的价格下降
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【单选题】听力原文： A man who tells a story does not always try to base it on facts. He may not believe that facts are necessary in a stow. He may want to make people laugh or make them cry he may even want to make...
A.
He may want to make people believe the facts.
B.
He may want to make people doubt the facts.
C.
He may want to make people feel happy or sad, or think.
D.
All of the above.
【单选题】What is it claimed may be observed when looking at the brickwork of a house?
A.
Sunshine causes its color to seem soothing.
B.
The natural color is emphasized when the sun goes in.
C.
The bricks appear to be brighter in color in sunlight.
D.
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A.
entry
B.
entrance
C.
achievement
D.
access
【单选题】______ may think they are better than the facts would justify.
A.
Optimists
B.
Pessimists
C.
Cynicists
D.
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【简答题】27 Cancer occurs when cells in the body divide without . 28 Gene alterations may be caused by . 29 Treatment for cancer may also bring about some . 30 Cancer patients may differ in their . A prescript...
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