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【简答题】
给出下面的程序框图，那么其循环体执行的次数是______．
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反馈参考答案：
举一反三
【单选题】若幂函数f（x）的图象过点 (3， 1 3 ) ，则f（x）的解析式（ ）
A.
f（x）=x -1
B.
f（x）=3x -2
C.
f(x)= x 9
D.
f(x)= x 2 27
【单选题】若函数f（x）为奇函数，且当x＞0时，f（x）=2x-3，则当x＜0时，f（x）=（ ）
A.
f（x）=-2x+3
B.
f（x）=-3x+2
C.
f（x）=2x+3
D.
f（x）=3x+2
【简答题】完形填空。 We are now living in the 21st century. Is your classroom living in the 21st centuiy, too? Tony is a student in Grade 8 at an American middle school. He was surprised when he saw his modern 1 on ...
【简答题】阅读理解。 Life in the 21st century will be different from life in the 20th century, because many changes will take place in the new century. But what will the changes be? The population is growing fast. T...
【简答题】请听写出下列正确化学用语符号。
【单选题】若函数f(x)满足f(3x+2)=9x+8，则f(x)的解析式是 [ ]
A.
f(x)=9x+8
B.
f(x)=3x+2
C.
f(x)=-3x-4
D.
f(x)=3x+2或f(x)=-3x-4
【单选题】若∫f(x)dx=x 3 e 2x +C,则f(x)=( )．
A.
6x 2 e x
B.
3x 2 e 2x
C.
2x 3 e x
D.
x 2 e 2x (3+2x)
【多选题】大学生择业心理调适的策略
A.
适当调整就业期望值
B.
全面客观地认识和评价自己（自己发展方向、气质、性格、优劣势等）
C.
坦然面对挫折
D.
培养独立意识
E.
充满自信
【简答题】阅读理解。 Life in the 21st century will be different from life in the 20th century, because many changes will take place in the new century. But what will the changes be? The population is growing fast. T...
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