单项选择题

A．10,000 different odors
B．10 different odors
C．1,000 different odors
D．100 different odors
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单项选择题
A．Ten.B．Eleven.C．Twelve.D．Thirteen.
A．Ten.
B．Eleven.
C．Twelve.
D．Thirteen.
单项选择题
A．Long range investments.B．Profitable investments.C．The number of investing countries.D．The number of countries receiving foreign investment.
A．Long range investments.
B．Profitable investments.
C．The number of investing countries.
D．The number of countries receiving foreign investment.
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