2021-2022英语周报高三高考4答案

1.答案:B解析:根据题意知11+e-111f(x)∵g(1)=[f(1)1+e2g(-1)=[f(-1)]=+12∴g(1)≠g(-1),g(1)≠-g(-1),所以,函数y=g(x)既不是奇函数也不是偶函数,不关于纵轴对称,①错误;函数y=f(x)的定义域为R,f(-x)1+ef(x),所以,函数y=f(x)是奇函数,②正确;任取x1>x2,f(x1)-f(x2)1+e21+e1(1+ex1)(1+e2)则所以,函数f(x)=2-1+。在R上是增函数,③正确;e2>0,;1+e>1,∴0<1+则11即-。

Possible version:Tom thought for a moment and was about to agree, but he changed his mind. " I can't, BenYou know Aunt Polly wants the fence to be perfect. It has to be done very carefully.I don'tthink you can do it well enough. "He said to Ben, who looked a little discouraged. "Oh, Tom, I'llbe careful. Please let me have a try I would like to give you my apple if you agree, "requestedBen In the end, Tom gave up the brush with unwillingness on his face, but joy in his heartWhile ben worked at the fence in the hot sun Tom sat under a tree, eating the apple, andlanning how to get more help. many of his other friends walked past him. Each one came topllaugh, but remained to whitewash the fence because they all got interested in it. One by one, theywhitewashed the fence, each giving Tom a reward, big or small. If he hadn't run out ofwhitewash, Tom would have owned everything belonging to his friends. He had a most wonderful andidle Saturday, sitting in the shade and enjoying the rewards that his friends gave him

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