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【简答题】
按照溶质原子在溶剂中位置的不同,固溶体分为（ ）和置换固溶体。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】直角坐标型机器人（3P）是一种最简单的结构，其手臂按 形式配置，即通过三个相互垂直轴线上的移动来改变手部的空间位置
【简答题】列车在区间被迫停车后，请求救援时，从救援列车开来方面（不明时，从列车前后两方面），距离列车不小于（）处防护。
【单选题】“ This is the Bell Captain,s desk, May I help you ” “ yes, please ” .
A.
They are talking in the tour company.
B.
They are talking at the airport.
C.
They are talking at a hotel.
D.
They are talking in the street.
【单选题】The bell captain asked me ( ) to take the next day.
A.
which train would I like
B.
which train I would like
C.
which train had I like
D.
which train I had like
【判断题】A bell captain will accompany the guest to his/her reserved room and send his/her luggage there.
A.
正确
B.
错误
【单选题】Just like the luggage porter, the ______ also reports directly to the bell captain.
A.
luggage tag
B.
bellman
C.
doorman
D.
page
【单选题】Which of the following is NOT the responsibility of a bell captain?
A.
Deciding whether the guest is in the mood to have a chat.
B.
Noticing the appearance, conduct and activities of bellman.
C.
Making sure that the bellmen and himself(herself) are all clearly informed about the daily function schedule.
D.
Assigning bellmen for delivery.
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