单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．Sending Don’s exam papers while he’s absent.
B．Giving Professor Webster the key to Don’s office.
C．Watching student do the assignments in Don’s classroom.
D．Bringing students to see Don when he is absent.
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单项选择题
A．They dry in a short time.B．They use unusual colors.C．They are easy to copy.D．They are pleasing to the eye.
A．They dry in a short time.
B．They use unusual colors.
C．They are easy to copy.
D．They are pleasing to the eye.
单项选择题
A．Because he died 5000 years ago in the mountain.B．Because scientists found an arrowhead under his shoulder.C．Because he was killed in a fall while hunting animals.D．Because his body was discovered in an area between two high mountains.
A．Because he died 5000 years ago in the mountain.
B．Because scientists found an arrowhead under his shoulder.
C．Because he was killed in a fall while hunting animals.
D．Because his body was discovered in an area between two high mountains.
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