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【单选题】
衍射光强是随 sinβ 的平方而如何变化?A.
增大
B.
不变
C.
衰减
D.
不一定
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【简答题】Suppose that this year's money supply is $500 billion, nominal GDP is $10 000 billion, and the economy's output of goods and services is $5 000 billion. a) what is the price level? What is the velocit...
【简答题】What was the primary instrument of finance according to Adam Smith?
【单选题】What was the primary reason caused the Maori population fell to 42,000 in 1860s.
A.
Because of death and illness
B.
Because of religious and traditions
C.
Due to the clashes between the Maoris and the settlers
D.
Due to the disappearence of food and water in the land
【简答题】What was the primary motivator for most of the Plymouth Colony settlers? ________________
【简答题】What was the primary obstacle to large-scale development of the wheel in the Western hemisphere?
【简答题】What was the primary goal of hip-hop culture?
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