英语周报2022八年级新目标答案

1解析:选A由函数y=f(x-1)关于x=1对称,可得画数f(x)关于x=0对称,甲f(-x)=f(x),又由画数f(x)满足f(2-x)=f(x),可得f(-x)=f(2 x),即f(x)=f(x 2)所以函数f(x)是以2为周期的周期函数,则a=f(5t)=f(5t-2),b=f(-ln2)=f(n2),c=flg18)=f(log18-2)=f(lg12).又由5-2<25-2-1,且=8<12<1m2园为f(x)在(-1,0)上通减,可得函数f(x)在(0,1)上递增画数所以f(5)

书面表达One possible version:NOTICEA sports meeting will be held in the playground of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especially for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEveryone is welcome to take part in it. Those who perform excellently at the sports meeting will get prizes. But don' t take theresults so serously because taking part is more important than the result. Good luck to everyone!

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