2022-2022高一英语周报29期答案

9.C【学科素养】化学观念、思维方法【解题思路】在N、加热条件下苯环、碳碳双键都能与氢气发生加成反应,所以0.2mol苯乙烯与0.8molH2完全反应,形成1.6molC一H键,A项错误;AP++3H2OA(OH)3+3H,A+水解导致阳离子数增多,且H2O也电离出H,含阳离子数大于NA,B项错误;不论硝酸浓度大还是小,Cu都是由0价升高到+2价,0.1mol铜完全反应失去0.2mol电子,C项正确;未标明物质所处状况,无法进行计算,D项错误。

第一节短文改错(共10小题;每小题1分,满分10分)My son, Mark, volunteers to help Cherie, a young runner, at a local Special Olymp csSincevolunteeredAlthough/Though/WhileCherie was disabled, she was happy and enthusiastic. Mark encouraged her, kept her calm, and let her to, know whenit was time to line up for het race. When the starting signal sounded, she took off as a flash of lightning, leaving herlikefellow racer behind. As he was near the finish line, she stopped, turned around, and waved to the other runners,shencouraged them to hurry. She waited for them but they could all cross A finish line together. It was realally a veryenouragingspecially finishspecial

以上就是2022-2022高一英语周报29期答案，更多英语周报答案请关注本网站。