英语周报2019－2022高一新高考答案

写作【答案】 As indicated in a new study. early exposure to e- cigarettes may trigger tobacco smoking in teens.要点) Comparison oftobacco use initiation between students with e-agarettes experiences and those nonusers has been made, the resuit of whichreveals a significant increase of smoking tendency in the former (mt 3 with the prevalence of e-cigarettes, it's worthpaying attention to teens smoking pattens and considering the detrimental effects possibly exerted by e-cigarettes tet aV4)

11.B【解析】x甲8.7+9.1+9.0+8.9+9.39.0,8.9十9.0+9.1+8.8+99.0,s[(8.7-9.0)2-(9.1-9.0)2+(9.0-9.0)2+(8.9-9.0)2+(9.3-9.0)2]=0.04,s=[(8.99.0)2+(9.0一9.0)2+(9.1-9.0)2+(8.89.0)2+(9.2-9.0)2]=0.02,忘

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