二． 单项选择（每小题一分，共30分）
（ ）1.------How do you do ?
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A. Hello B.Good morning! C.How do you do? D.Thanks.
（ ）2.---- -Sit down , please?
---- .
A.Yes B.No C.Bye---bye D.Thank you
（ ）3.Mom, jim.
A. you are B. this is C.this D.my name is
（ ）4.----Good moring, class.
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A.Hello B.Excuse me. C.Good morning, Class D.T hanks.
（ ）5.当被介绍认识某人后，你应该说：
A．Good morning B.Please sit down C. Thank you D. Nice to meet you
