2022 英语周报 高二 牛津综合15答案

6.D[命题立意]考查古典概型;考查逻辑推理,数学运算的核心素养[试题解析]10以内的素数是2,3,5,7,共4个,从中任取2个构成的素数对有(2,3),(3,2),(2,5),(5,2),(2,7),(7,2),(3,5),(5,3),(3,7),(7,3),(5,7),(7,5)共12个,根据孪生素数的定义,知10以内的素数构成的李生素数有(3,5),(5,7)共2个,所以从10以内的素数中任取2个构成素数对,其中是李生素数的概率P=12=6·故选D

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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