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【判断题】
机构运动简图中应准确反映机构有哪些构件、运动副及类型、以及各运动副间的位置A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【简答题】What
does the attendant need
to do to check in?A. Check in the luggage B. Check the name C. Give guest the card key
【多选题】What sentences are mentioned in the dialogue to check in?
A.
May I help you?
B.
I'd like to check in.
C.
My name is...
D.
You've booked...
E.
Can you fill in the form?
F.
Here is the card key.
G.
Enjoy your stay.
【简答题】Check in counter conversation Passenger: 2 Check in Luggage: 3 suitcase
【简答题】换土垫层的作用 。
【简答题】试述换土垫层的作用、适用的土质条件和质量检验方法
【简答题】试述换土垫层法中垫层的作用有哪些？
【简答题】换土垫层常使用的回填材料有哪些?垫层的作用有哪些?
【单选题】听力原文：Excuse me, when would you like to check in please, in the morning or in the afternoon? (A) So, what's wrong with me? (B) At 8 a.m. (C) Yes, come in, please. (21)
A.
B.
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