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【单选题】
请问下图是什么传输介质 _______ 。
A.
双绞线
B.
光纤
C.
同轴电缆
D.
电话线
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举一反三
【多选题】What are the factors that may cause the delay of the flights?
A.
weather
B.
mechanical issue
C.
a delay of a previous lag of a light
D.
a passenger misses the flight
【简答题】木屋架的卯榫结构连接在结构力学计算中可以简化为 结点,具有特点: 。
【简答题】What factors may affect commnunication s?
【单选题】点的H面投影到投影轴(OX)的距离,等于该点到( )的距离。
A.
Z轴
B.
V面
C.
H面
D.
W面
【多选题】what factors may affect the aircraft delay?
A.
weather condition
B.
mechanic problem
C.
human factor
D.
air flow
【单选题】广告的( )功能表现为促进产品在市场上的发育和成长。
A.
社会
B.
催化
C.
经济
D.
引导
【多选题】What factors may influence classroom management?
A.
People: the relationship between the teacher and the students
B.
Language: what you expect them to do (understanding and encouraging students)
C.
Environment: classroom, the positioning of the desks and the position of the teacher
D.
Organization: good lesson plan, clear learning objectives, variety in activities.
【简答题】Besides the factors mentioned in the above case, what other factors may cause the failure of eBay?
【判断题】高速切削刀具材料一般都采用涂层技术。
A.
正确
B.
错误
【简答题】(2017年)甲砂石企业开采砂石1000吨,对外销售800吨,移送50吨砂石继续精加工并于当月销售。已知砂石的资源税税率为4元/吨,甲企业应当缴纳的资源税是______________________。
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