皮皮学，免费搜题
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【多选题】
旅游消费者社会交往的特点有()A.
超越功利性。
B.
交往关系的单一性。
C.
交往的暂时性。
D.
维持的复杂性。
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【简答题】写出下列元素对应的中文名称:lead ,iron ,nitrogen ,silicon ,chromium 。
【单选题】下列夹具不属于通用夹具的是 。
A.
三爪卡盘
B.
顶尖
C.
钻模
D.
中心架 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【多选题】Watch the video clip. Choose the ones which are mentioned in this video clip.
A.
It introduces a famous city.
B.
It introduces a famous figure.
C.
It introduces the UN General Assembly.
D.
It introduces a unique police organization.
【单选题】Watch the video clip and decide which of the following is not mentioned in the video clip.
A.
E-books are convenient and easy to use.
B.
The conventional bookshop is dead.
C.
According to Amazon UK, downloadable versions of books sell more than hardback and paperback.
D.
The E-book market is developing rapidly.
【单选题】Watch this video clip and anwer the questions. What situation is it in this video clip?
A.
Going to work
B.
Going to work for the first day
C.
An interview
D.
Leaving one's job
【简答题】写出下列元素名称对应的元素符号和中文名称 Hydrogen carbon oxygen nitrogen boron chlorine fluorine iodine sulfur(sulphur) phosphorus calcium potassium copper lead silver iron magnesium manganese gold mercury
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