2022英语周报八GDY答案

1.C【解析】He最外层电子数为2,为稀有气体,化学性质不活泼,C项错误。

28.C从第一段的“ Walking is the most popular aerobic physical activity in the United States”和“, a number thathas increased notably since2014可得出答案29.D从第三段的 Walking is generally an exercise that you do outside in an urban or suburban setting,orindoors in a gym on a track or treadmill”可知, Walking可在户内进行,而“ Hiking, in contrast, is walking that'sdone in the outdoors and along natural terrain”,所以选D。30.C综合第四段提到的两类活动都可以“ help you manage blood pressure and cholesterol levels.great foryour heart'等内容,可以看到本段主要讲述的是两类活动的好处31B从最后一段的最后一句“ However, whether you go for a walk or a hike is good for you:可知,作者支持两类活动。

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