— What did the teachersay? —He told us to go over__________lessons.

— What did the teachersay? —He told us to go over__________lessons.

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设函数 f(x) =|x+1|, g(x) =|2x﹣ 1|.(1) 解关于 x 的不等式 f(x) ﹣ g(x) >1;(2) 若 2f(x) +g(x) >

设函数 f(x) =|x+1|, g(x) =|2x﹣ 1|.(1) 解关于 x 的不等式 f(x) ﹣ g(x) >1;(2) 若 2f(x) +g(x) >ax+2, 求实数 a 的取值范围.

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You must make sure your mask (口罩) is clean ________ you put it on.

You must make sure your mask (口罩) is clean ________ you put it on.

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____ she is very young, she can take good care of herself.

____ she is very young, she can take good care of herself.

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Give me a chance, ________I will give you a wonderful surprise.

Give me a chance, ________I will give you a wonderful surprise.

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