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【简答题】
利用for[] 语句写出求解方程x^2-1=0的Mathematica程序如下,请在括号内填入适当语句。 ( ):=x^2-1; a=6.0; For[a=1;( ),i<=10,i++, a = a - f[a]/( )];
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反馈参考答案：
举一反三
【简答题】搜索引擎的产生和发展经历了哪几个阶段?试简述各阶段的特点。
【单选题】下列回火温度，会引起回火脆性的温度是（ ）。
A.
150 ℃ --250 ℃
B.
250 ℃ --350 ℃
C.
350 ℃ --500 ℃
D.
150 ℃ --200 ℃
【单选题】Which of the italicized parts indicates CONTRAST?(2013)
A.
She opened the door and quietly went in.
B.
Victoria likes music and Sam is fond of sports.
C.
Think it over again and you'll get an answer.
D.
He is somewhat arrogant, and I don't like this.
【简答题】小A同学特别喜欢这门课程，期待从课程中有所收获。同学们学习了这门课程之后，我们希望你们能在本门课中收获得以下哪些内容？
【简答题】你喜欢尔雅的哪门课程呢?
【单选题】Did she go back to bed afterwards?
A.
No, She opened the door and lay in the passage.
B.
No, she didn't go to bed until the next morning.
C.
Yes, after she had left the basket beside the door.
【单选题】Did she go back to bed afterwards?
A.
No, she opened the door and lay in the passage.
B.
No, she didn't go to bed until the next morning.
C.
Yes, after she had left the basket beside the door.
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