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【单选题】
在中国期刊全文数据库( CNKI )中,不可以进行( )A.
检索逻辑“与”
B.
逻辑“或”
C.
逻辑“非”
D.
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反馈参考答案：
举一反三
【简答题】写出下列元素对应的中文名称:lead ,iron ,nitrogen ,silicon ,chromium 。
【多选题】Watch a video clip and choose all the responsibilities and requirements of the job mentioned.
A.
Standing up nearly most of the time
B.
Working for 24 hours a day and 7 days a week
C.
Having lunch only after the associate finishes lunch
D.
Staying up throughout the night sometimes
E.
Increased workload during holidays
F.
No sleep for 365 days a year
G.
High pay
【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 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
【简答题】vt. 使...疲惫; 使...厌烦; vi. 疲劳; 厌烦; n. 轮胎; 头饰;
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