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【单选题】
RC文氏桥振荡电路的起振条件是放大器的放大倍数Av 大于( )。
A.
1/3
B.
3
C.
1/2
D.
2
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举一反三
【单选题】It can be inferred from the passage that hypernovae are best at explaining which of the following questions faced by scientists?
A.
What are the consequences of GHBs sweeping up the external medium that surrounds black holes?
B.
What role does compact-star coalescence play in the GHB phenomenon?
C.
How do normal-duration GHBs come into existence?
D.
Of what does the matter leftover from the collapse of a star consist?
E.
What sorts of GHBs are likely to be produced by the collapse of the Earth's sun?
【单选题】UNIQUE 惟一索引的作用是
A.
保证各行在该索引上的值都不得重复
B.
保证各行在该索引上的值不得为 NULL
C.
保证参加惟一索引的各列,不得再参加其他的索引
D.
保证惟一索引不能被删除
【单选题】It can be inferred from the passage that the author most probably believes which of the following to be true concerning those historians who study the history of women?
A.
Their work provides insights important to those examining social phenomena affecting the lives of both sexes.
B.
Their work can only be used cautiously by scholars in other disciplines.
C.
Because they concentrate only on the role of women in the work-place they draw more reliable conclusions than the other historians.
D.
Their work has not had an impact on most historians' current assumptions concerning the revolutionary effect of technology in the work-place.
【单选题】宝盛公司2012年l0月31日的银行存款核对中发现,银行对账单余额为2 512.60元,银行存款日记账账面余额为2 500元,经逐笔核查,发现有如下未达账项:(1)10月29日,外地某购货单位汇来一笔预付款3 400元,银行已收妥入账,而企业尚未入账;(2)10月30日,银行支付承兑货款2 000元,企业尚未记账;(3)10月30日,企业开出现金支票一张计l 000元,但持票人尚未到银行提现;(4...
A.
3 900
B.
1 512.6
C.
3 387.4
D.
3 100
【简答题】阶级斗争:阶级斗争是 根本冲突的 之间的 和 。它根源于阶级之间 的根本对立,根源于社会 的冲突。一切阶级斗争,归根结底都是围绕着 这个轴心展开的。
【判断题】阶级斗争是阶级利益根本冲突的对抗阶级之间的对立和斗争。阶级斗争根源于阶级之间物质利益的根本对立,根源于社会经济关系的冲突。()
A.
正确
B.
错误
【多选题】阶级斗争
A.
是阶级利益根本冲突的对抗阶级之间的对立和斗争
B.
根源于阶级之间物质利益的根本对立,根源于礼会经济关系的冲突
C.
是社会基本矛盾在阶级社会中直接表现
D.
是阶级社会发展的直接动力
【单选题】It can be inferred from the passage that Davis’ paradigm does NOT apply to which of the following?
A.
The shoreline of Florida mangrove forests first studies by Davis
B.
A shoreline in an area with weak currents
C.
A shoreline in an area with weak idal energy
D.
A shoreline extended by “land-building” species of mangrove
E.
A shoreline in which few sediments can accumulate
【简答题】阶级斗争:阶级斗争是 根本冲突的 之间的 和 。它根源于阶级之间 的根本对立,根源于社会 的冲突。一切阶级斗争,归根结底都是围绕着 这个轴心展开的。
【简答题】材料一:近段时间,江苏卫视《非诚勿扰》、湖南卫视《我们约会吧》、浙江卫视《为爱向前冲》、东方卫视《百里挑一》等相亲交友类节目“以出位博眼球”,广受观众和社会质疑。公众掀起一股反低俗、庸俗、媚俗之风的浪潮。 材料二:2010年10月20日学习同志先进事迹座谈会在北京举行。,一个鞍钢普通职工的名字,在2010年逐渐传遍全国。他平凡朴实的言行在震撼着人们心灵的同时,也悄悄改变着周围人在现实...
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