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【单选题】
鉴定王冠是否掺假时阿基米德利用了什么原理 ? ( )A.
杠杆原理
B.
浮力原理
C.
离心力原理
D.
万有引力原理
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【单选题】—Happy Teachers’ Day! Here are some flowers for you. —_____ beautiful flowers they are! Thank you! A. How B. How a C. What D. What a
A.
How
B.
How a
C.
What
D.
What a
【简答题】A: Happy Teachers’ Day, Miss Gao. B: _____A. Thank you very much, Sally. B. Thanks a lot. C. Both A and B.
【单选题】—Happy Teachers’ Day, Miss Wang! — ________
A.
Thank you!
B.
Who are you?
C.
I’m speaking.
D.
I’m Mr. Wang.
【单选题】June lst is ___________ Day. My sister is happy on that day every year.
A.
Women’ s
B.
Fathers’
C.
Teachers’
D.
Children’ s
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