单项选择题

A．Ways to determine the age of a fossil.
B．The identity of a fossil the woman found.
C．A comparison of two shellfish fossils.
D．Plans for a field trip to look for fossils.
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单项选择题
A．Seasonal variations in nature.B．How we can improve our intelligence.C．How intelligence changes with the change of seasons. [D] Why summer is the best season for vacation.
A．Seasonal variations in nature.
B．How we can improve our intelligence.
C．How intelligence changes with the change of seasons. [D] Why summer is the best season for vacation.
单项选择题
A．She didn’t want to be a typist.B．She was not enthusiastic about typing.C．She was not energetic enough to do the job. [D] She never went to a university.
A．She didn’t want to be a typist.
B．She was not enthusiastic about typing.
C．She was not energetic enough to do the job. [D] She never went to a university.
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