题目内容

What does your friend look like?

A. He is smart.
B. He is thin.
C. He has a lovely round face.
D. He is tall .

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This is my first time here in Sydney,I feel __.

A. sad
B. happy
C. pleased
D. excited

The professor lives in __.

A. Paris
B. Athens
C. London
D. Beijing

What does Mary do?

A. doctor
B. painter
C. designer
D. teacher

R语言中回线性归函数是什么

A. lm()
B. rm()
C. gm()
D. 都不对

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