单项选择题

A．Through food.
B．Through air.
C．Through insects.
D．Through body fluids.
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单项选择题
A．Inform students of the disadvantages of frying food.B．Find other students who will work in the cafeteria.C．Ask students to try a new dish he has made.D．Collect students’ opinions about meals.
A．Inform students of the disadvantages of frying food.
B．Find other students who will work in the cafeteria.
C．Ask students to try a new dish he has made.
D．Collect students’ opinions about meals.
单项选择题
A．The author isn’t an expert in economics.B．She has a better theory about the economy.C．She isn’t sure that the author’s ideas would work.D．The author spends too much time arguing about details.
A．The author isn’t an expert in economics.
B．She has a better theory about the economy.
C．She isn’t sure that the author’s ideas would work.
D．The author spends too much time arguing about details.
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