单项选择题


What is the woman studying

A． The basic structure of atoms.
B． The basic structure of molecules.
C． The basic structure of neutron.
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单项选择题
What’s the main topic of the course
A. How to teach arts and crafts to children and adults.
B. How to perform in front of a large audience.
C. How to use sign language in the theater.
单项选择题
What does Mr. Smith tell his secretary to say
A. He’ll phone the caller at four o’clock.
B. He’s out of his office.
C. he’ll be on the phone at once.
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