Unit Overview(单元引入)
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1 单元目标
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2 单元概况
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3 单元词汇
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4 单元教材
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Unit Goals
What You Should Learn to Do
① Ask where a particular place is:
in a city;
within a building
② Show directions
③ Talk about different means of transportation to take
④ Understand and write road and office signs
What You Should Know About
① Different feelings about traveling
② Various kinds of signs and notices
③ Singular and plural forms of nouns


