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【简答题】
下表给出的是由n×n（n≥3，n∈N * ））个正数排成的n行n列数表，a ij 表示第i行第j列的一个数，表中第一列的数从上到下依次成等差数列，其公差为d，表中各行，每一行的数从左到右依次等比数列，且所有公比相等，公比为q，已知 a 13 = 1 4 ， a 23 = 3 8 ， a 32 =1 ． （1）求a 11 ，d，q的值； （2）中对角线上的数a 11 ，a 22 ，a 33 ，…，a nn 组成的数列为{a n }，记T n =a 11 +a 22 +a 33 +…+a nn ，求使不等式2 n T n ＜4 n -n-43成立的最整数n． a 11 a 12 a 13 … a 1n a 21 a 22 a 23 … a 2n a 31 a 32 a 33 … a 3n … … … … … a n1 a n2 a n3 … a nn
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【简答题】Why is Adidas expanding in China? Because it wants to become the market leader in China.________________________________
【单选题】After the war, Schindler says good bye to the Jews from his factory and starts his fugitive life. How about Amon Göth after the war?
A.
He has to flee.
B.
H e is arrested and sent to the prison.
C.
H e is captured and hanged.
D.
H e is put in jail for life
【单选题】A steam turbine is used to provide electric power.
A.
蒸汽涡轮机用于提供电力。
B.
蒸汽涡轮机的动力是由电来提供的。
【简答题】What makes China to be an expanding market for coffeehouses?
【判断题】A steam turbine is a device that converts mechanical energy to kinetic energy. Steam turbines have a specially designed rotor that rotates as steam strikes it.
A.
正确
B.
错误
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