2022英语周报高二选择性必修三答案

11.D【解析】本题以阿伏加德罗霜数为盘体,考衣了物质的构成、有机物结构、无机物结构等。硫酸氢钠固体山Na和HSO;构成,不含有S);·A错误:N:O和C2均为三原子分予,∏摩尔质鼠均为41gmol'.等质量的N2O)和C(2的物质的量相等,但具体质鼠未知,无法确定所含原予的数目,B错误;为环氧丙烷的键线式,共价健除C-C键和C-O健外还含有C-1键,C错误:甲醇在标准状况时为液态,标准状况下2.211甲醇的物质的量大于0.1mol所含氧原子的数目大于0.NA,D正确
【语篇导读】本文是说明文。介绍了濒危动物redwolf的情况。12.A【解析】词义猜测题。根据第二段 The US Fishand Wildlife Service had been working for decades toreintroduce the species into the wild,but∴可知,情况进展不利,故选A13.D【解析】推理判断题。根据第三段 the agency isfocusing on"our commitment to get the science rightand rebuild trust with our neighbors∴·"以及 the decision made by the Fish and Wildlife Service"falls wellshort of what is needed to continue red wolf recovery"A知答案为D。14.B【解析】细节理解题。根据第四段 because peooIe are afraid to have red wolves reintroduced nearhuman communities.可知答案为B。15.C【解析】细节理解题。根据最后一段 they are shyanimals that they don t get close to humans and huntmostly at night可知答案为C。
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