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【简答题】
请举出小学数学中运用集合思想的例子,并与其他同学进行交流。
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举一反三
【单选题】When conducting an open-market purchase, the Fed ( )
A.
buys government bonds, and in so doing increases the money supply.
B.
buys government bonds, and in so doing decreases the money supply.
C.
sells government bonds, and in so doing increases the money supply.
D.
sells government bonds, and in so doing decreases the money supply.
【判断题】Open market purchase can decrease inflation rate.
A.
正确
B.
错误
【单选题】2011年3月11日日本发生9.0级的强震并引发海啸和核泄露,核电站周围检测到放射性物质碘131,下列有关说法正确的是
A.
核裂变是一种化学变化
B.
131 I 与 127 I互为同素异形体
C.
131 I 原子的中子数为78
D.
碘在周期表中位于第四周期ⅦA族
【单选题】在长度为n(n≥1)的双链表L中,在p所指结点之前插人一个新结点的时间复杂度为
A.
O(1)
B.
O(n)
C.
O(n 2 )
D.
O(nlog 2 n)
【单选题】We do not have the _________________ (free) to do just what we like.
A.
free
B.
freedom
C.
freer
D.
freest
【单选题】Among the company was a lawyer,a young man of about twenty-five. On being asked his opinion,he said,“Capital punishment and life imprisonment are equally immoral. If I were to make a choice between th...
A.
he was younger than the banker
B.
capital punishment was immoral
C.
it was better than capital punishment
D.
the banker would give him $200,000
【单选题】( 电)下列关于级数性质的说法中正确的是
A.
两个收敛级数的和构成的级数一定收敛
B.
两个收敛级数的和构成的级数一定发散
C.
两个发散级数的和构成的级数一定发散
D.
两个发散级数的差构成的级数一定是收敛的
【多选题】下列对妨害民事诉讼的强制措施,说法错误的是( )
A.
必须到庭的被告,无正当理由拒不到庭,法院可以拘传
B.
人民法院对哄闹冲击法庭,严重扰乱法庭秩序的人,可以不经院长批准而直接将其拘留
C.
人民法院对个人作出的罚款金额,为人民币三千元以下
D.
拘留的期限,为十五日以下
【单选题】按照我国《电子信息系统机房设计规范》(GB50174-2008),数据中心可根据使用性质、管理要求及其在经济和社会中的重要性划分为A、B、C三级。下列关于数据中心机房等级分类说法正确的是()
A.
A级为容错型
B.
B级为基本型
C.
C级为冗余型
D.
A级为维护型
【单选题】According to Paul, critical thinking education encourages ______.
A.
giving priority to people's interests
B.
regarding long-term interests of human kind
C.
bringing reason into the freest play
D.
finding the best solution to a problem
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