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【简答题】
若数列的前n项和S n ＝n 2 －10n(n＝1,2,3，…)，则此数列的通项公式为________；数列中数值最小的__________项
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【单选题】It’s raining so hard today, _______we stay at home watching TV instea
A.
hence
B.
moreover
C.
even so
D.
even if
【简答题】______( 塑料 ) are used in many modern articles instead of wood, metal and so on.
【单选题】Years ago, people would have______ the notion that robots would operate on patients instead of surgeons.
A.
smiled on
B.
beamed upon
C.
laughed at
D.
amused with
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【简答题】The concept of homeschooling is not a new one. Homeschooling means educating children at home instead of sending them to public or private schools. Nowadays, homeschooling has become popular in many c...
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