单项选择题

A．To find out how clever monkeys were.
B．To test the intelligence of different animals.
C．To compare the difference between man and the monkey.
D．To find out how monkeys search for food.
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It’ s also important to remember that homeownership is not generated just by demand. So the government and society should develop new and effective ______.
单项选择题
A．For protection against other animals.B．For protection against other dogs.C．Just for fun.D．For the purpose of guarding the house.
A．For protection against other animals.
B．For protection against other dogs.
C．Just for fun.
D．For the purpose of guarding the house.
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