2022-2022高三英语周报课标HJZ答案

7.A[设等差数列{an}的公差为d,因为a4 a7=8所以2a1 9d=8,解像a1=-5,S1=55则a1 5d=5,9×8S。=(-5)×9 -×2=27,故选A.

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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