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【简答题】
（1）观察表一中数字的排列规律，回答下列的问题： ①第6行与第6列的交叉方格的数应为______； ②表二是从表一中截取的一部分，试填出空格中的数，并用一个等式反映表二中四个数的某种数量关系． （2）请你分别在上面的两个网格（小正方形的边长均为1cm）中，画出顶点在格点上，且边长和面积都是整数的三角形和四边形（如示例所示，但不能是正方形和矩形）．
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举一反三
【单选题】Although ______, new deposits of oil will be found, sooner or later, the world's supply will be exhausted.
A.
in all likelihood
B.
in all possibility
C.
in all circumstances
D.
in all conditions
【单选题】Laugh, and the world laughs with you; _______, and you weep alone
A.
weeps
B.
weeped
C.
weep
D.
weeping
【单选题】The author sees the reform. of Bolivia's industry as a sign of ______.
A.
less oil supply and high oil price in the world
B.
nationalization of industry in other countries
C.
smaller share of oil reserves in state-owned companies
D.
more efficiency in exploitation and processing of oil
【单选题】The old proverb has it that 'laugh and the world laughs with you cry and you cry alone.' What's new is the discovery by University of California, San Francisco scientists that the expression on your f...
A.
controlled by their facial expression
B.
influenced by their facial expression
C.
identical with their facial expression
D.
contrary to their facial expression
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