2022英语周报高三牛津OJS答案

8.B【解析】由题意，（合+云）a+6)=2+合+≥4，枚选项A错误；1a+b=2√2，故选项B2正确；士≥（士）-则+≥分敬选项C错误；ab2+a6=ab(a+6)≤（安）=是，放选项D错误.故选B.

短文改错I remember there was a time when I get sick easily.When the weather changed ssudden,I would get a badgotsuddenlycold and a headache.Taking medicine was part of my life,which made me weak and easily annoying.My doctorannoyedsuggested that I took physical exercise in a regular basis.Since then I have made A a habit to jog in the parktakeonitnear my home.I have also begun to play a football with my classmates in my spare times.(Gradually my healthtimehas improved and I feel a lot good now.As far as I am concerned,it is the physical activities which make mebetterhealthy and happy.that

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