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【单选题】
两个同方向同频率的简谐振动曲线如图所示。 合振动的初相位是A.
0
B.
π/2
C.
-π/2
D.
π
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【单选题】China is the world’s largest cigarette market, _______ over 30% of the total world consumption.
A.
accounting for
B.
adding up to
C.
consisting of
D.
contributing to
【简答题】资产类账户的期末余额一般在（ ）。
【单选题】The market capitalization of the developing world
A.
is about 80 percent of the market capitalization of the entire world.
B.
is about 60 percent of the market capitalization of the entire world.
C.
is about 40 percent of the market capitalization of the entire world.
D.
is about 20 percent of the market capitalization of the entire world.
【简答题】The globalization of markets is about the expension of the world market in size.()
【简答题】The Americans achieved a dominant position on the world market by the start of the First World War by ______.
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