2022七上英语周报3553～3562期合刊答案

第四部分写作第一节短文改错(共10小题;每小题1分,满分10分Last summer vacation, I work in a printing shop. That was my first job and it was a good chance for me to gain experienees. SoI took them seriously. At A beginning, the boss let me in do the cleaning work, which made me feel losing. Because I have preparedto learn how to do the print work when others used the machine. i ally, when the boss taught me to use the machine, I learned veryLalerquickly. Though i did not get much salary, I felt so proud it: myself, because I enhanced not only my self-worth and ability

10.答案:B解析:因为∫(x+2)为偶函数,所以f(x+2)的图像关于x=0对称,f(x)由f(x+2)向右平移2个单位得到,故f(x)的图像关于x=2对称所以f(4)=f(0)=1,设g(x)=f(x)(x∈R),则g'(x)f'(xe-f(x)er f又因为(e)f"(x) 0,故选B

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