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【简答题】
已知某交流电路的无功功率为6Kvar,有功功率为8Kw,则视在功率为 。
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皮皮学刷刷变学霸
举一反三
【单选题】The word 'demographic' (Line 4, Para. 1 ) means ______.
A.
statistics of human
B.
surroundings study
C.
accumulation of human
D.
development of human
【简答题】SECTION A COMPOSITION (35 MIN) Some people think that the amount of time and money spent on the protection of wild animals would be better spent on improving the well-being of humans. Do you agree or ...
【简答题】直流放大器在输入信号为零时,输出电压偏离其起始值的现象称为 ,其造成的主要原因是 的变化。
【单选题】Insurance statistics show that most wives ________ their husbands, which means that women have stronger hearts.
A.
affect
B.
survive
C.
survey
D.
remove
【单选题】It is important to note that ______.
A.
citizenship is less important than residency are the same thing from the viewpoint of the balance of payments statistics
B.
citizenship has a broader meaning than residency
C.
citizenship and residency are indeed the same thing from the viewpoint of the balance of payments statistics
D.
citizenship and residency are not necessarily the same thing from the viewpoint of the balance of payments statistics
【判断题】复杂型购买行为是一种对于品牌差异小而购买风险大的产品,花费大量时间和精力去选购,购后又出现不满意、不平衡的心理,为寻求平衡而在使用过程中继续收集产品信息的购买行为类型。( )
A.
正确
B.
错误
【单选题】根据《水污染防治法》,关于船舶水污染防治的规定,下列说法中正确的是
A.
禁止向水体倾倒船舶垃圾
B.
禁止向水体排放船舶含油污水
C.
船舶排放生活污水,应当执行国家污水综合排放标准
D.
禁止排放船舶压载水
【单选题】Some people think that CD-ROMs will soon be______books.
A.
as more popular as
B.
as popular than
C.
more popular than
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