单项选择题

Robert Fulton's invention, an airphibian, can best be described as （）

A．a helicopter
B．a solo flying machine
C．a flying car
D．an airplane

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单项选择题

What is served before you order（）

A．Bread.
B．Butter.
C．Coffee.
D．Cold water.

单项选择题

What do American people always do when servings are too large for them（）

A．They take the food home with a doggie bag for their dogs.
B．They leave the food on the table and go away.
C．They take the food home with a doggie bag and enjoy the food later.
D．They ask the waitress or waiter to keep the food for them.