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A．About four million.B．About seven million.C．About five million.D．About six million.
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How many people die from tobacco each year？A．5 million.B．8 million.C．1 billion.D．10 billio
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How many people are unemployed in America according to OECD？A．3.6 million.B．13 million.C．3
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How many people speak Cantonese in China？A．70 million.B．7 million.C．17 million.D．700 milli
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How much money will Hoffmann get？A．$1.5 million.B．$3 million.C．$4.5 million.D．$0.75million
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How many people use the Internet in South Africa？A．34 million.B．12 million.C．1. 2 million.
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将60%的司盘-80(HLB值4.3)和40%吐温-80(HLB值15)混合后HLB值为A.3.5B.4.8C.8.6D.10E.7.6
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