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【单选题】
数列{a n }前n项和是S n ，如果S n =3+2a n （n∈N * ），则这个数列是（ ）A.
等比数列
B.
等差数列
C.
除去第一等比数列
D.
除去最后一项为等差数列
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【简答题】请使用for循环和range函数编写程序,计算1~10的阶乘(1*2*3*......*10),并将结果打印。将程序及运行结果截图,以图片形式提交。
【简答题】已知:list1 = [5,9,2,1,7,4,3]
请使用for循环对list1遍历,打印结果为:
0:5
1:9
......
6:3
请编写程序,将程序及运行结果截图,以图片形式提交
【单选题】The Japanese Emperor has made a rare televised address to his disaster-stricken country, and_____ his deepest concern about the dangerous situation at the nuclear power plant, calling for people to ov...
A.
conveys
B.
delivers
C.
possesses
D.
accounts
【单选题】Which of the following statements best characterizes the taxation of retuens on international investments in an investor's country and the country where the investmens if made?
A.
Capital gains normally are taxed only by the country where the investment is made.
B.
Tax-exempt investors normally must pay taxes to the country where the investmens is made.
C.
Investors in domestic common stock normally avoid double-taxation on dividend income by receiving a tax credit for taxes paid to the country where the investment is made.
D.
The investor's counrty normally withholds taxes on dividends payments.
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