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【简答题】
I.单词识记 (根据后面单词释义写单词) 1.________ vt. to buy sth 2.________ vt. to discuss something in order to reach an agreement 3.________ n. agreement to or permission for sth, especially a plan or request 4.________ vt. to tell sb that one is pleased about his good fortune or achievements 5.________ adj. insensible 6.________ vt. to look like or be similar to another person or thing 7.________ vt. lines showing the shape 8.________ adj. clearly or exactly 9.________ adj. able to be seen through 10.________ n. the act of upsetting or insulting sb
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【简答题】（10分）求曲线 在 点 处的切线方程。
【简答题】求曲线 在点 处的切线和法线方程．
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