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【判断题】
我国国标对10KV及以下系统规定的电压波动允许值是2%。
A.
正确
B.
错误
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举一反三
【单选题】Studying the diverse wisdom of others can ________.
A.
create varying artistic interests
B.
help people see things in their right perspective
C.
help improve connections among people
D.
regulate the behavior. of modern people
【单选题】音节哪阶段的发音对于整个字音的清晰响亮起着关键作用。
A.
字头
B.
字腹
C.
字尾
D.
所列选项都是
【单选题】600-nm light falls on a single-slit (width a=0.3mm), the screen is 2.0m away. At diffraction angle θ=0.005rad, which fringe can be observed?
A.
The first bright fringe.
B.
The second bright fringe.
C.
The first dark fringe.
D.
The second dark fringe.
【单选题】下图中,理想电流源两端电压Us为( )
A.
-18V
B.
0V
C.
-6V
【简答题】According to the passage, we can infer that______. [A] language has nothing to do with interpreting [B] only those postgraduates from the foreign language universities can work as interpreters [C] int...
【单选题】阳虚到一定程度时,因阳气不足,无力化生阴液,进一步出现阴液亏虚的现象,称为
A.
阴损及阳
B.
阴阳互损
C.
阴阳协调
D.
阴阳转化
E.
阳损及阴
【简答题】阅读以下关于电子商务系统建设方面的叙述,在回答问题1至问题3。 电子商务是构建在Internet上的新商务模式。企业和个人使用电子商务来降低交易成本,提高商品和信息流的周转速度,提高客户服务水平,并且使得制造商、供应商和客户之间可以紧密合作。企业信息化是实施企业电子商务的基础,特别是在企业流程再造、供应链管理、客户关系管理等方面需要依托信息技术进行整合和优化。 一个完整的电子商务系统必须处理销售生...
【单选题】There are stations where runners can get water at ________ throughout the marathon. [     ]
A.
gaps
B.
intervals
C.
random
D.
distance
【单选题】According to the passage, we can infer that
A.
language has nothing to do with interpreting
B.
only those postgraduates from the foreign language universities can work as interpreters
C.
interpreters must live in the country where the required language is spoken
D.
interpreters build the bridge for international communication
【简答题】A.blink B.brink C.edge D.fringe
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