下列函数是偶函数, 且在区间(﹣ ∞, 0) 上为增函数的是()

下列函数是偶函数, 且在区间(﹣ ∞, 0) 上为增函数的是()

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Cooking is an interesting lesson and we can make different dishes ________ we li

Cooking is an interesting lesson and we can make different dishes ________ we like.

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Millie’s research paper isn’t up to standard______ she has worked at it for two

Millie’s research paper isn’t up to standard______ she has worked at it for two weeks.

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We were not good friends ________we saw each other, but gradually, we got along

We were not good friends ________we saw each other, but gradually, we got along better and better.

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设 m、 n 是两条不同的直线, α、 β 是两个不同的平面, 给出下列四个命题:①若 m⊥α, n∥α, 则 m⊥n;②若 m∥n, n∥α, 则 m∥α;③

设 m、 n 是两条不同的直线, α、 β 是两个不同的平面, 给出下列四个命题:①若 m⊥α, n∥α, 则 m⊥n;②若 m∥n, n∥α, 则 m∥α;③若 m∥n, n⊥β, m∥α, 则 α

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