九师联盟·2022届新高考押题信息卷(四)4英语答案

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7.A由题意可知，f(x)是定义域为R的奇函数，所以f(lg5)=f(-lg5)=-f(g5)=-25,所以f(1g5)=25,又当x>0时，f(x)=10“,所以f(lg5)=105=10k5=5°=25，所以a=2.故选A.人

第二节书面表达 One possible versionThis suer holiday I will work as afor about 8 084nearby supermarket in my corAs a stork. Besides, I want to make some extra moneyMy plans are practical. First, I have gotthe boss's peSecond I basome basic work routine. Discipline is first one first. I will listen to the insrartioesremember where each kind of goods stands. Also how much each kind of goods isall, I willhappy at my service.I hope I can learn some