单项选择题

A．It is a genetic disorder.
B．It is a respiratory condition in pigs.
C．It is an illness from birds to humans.
D．It is a gastric ailment.
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单项选择题
A．Chemotherapy B．RadiationC．InjectionsD．Surgery
A．Chemotherapy
B．Radiation
C．Injections
D．Surgery
单项选择题
A．You may find many of them on the bookseller’ shelves.B．You can buy it from almost every bookstore.C．It’s a very popular magazine.D．It doesn’t sell very well.
A．You may find many of them on the bookseller’ shelves.
B．You can buy it from almost every bookstore.
C．It’s a very popular magazine.
D．It doesn’t sell very well.
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