新教材2023年高中英语Unit3EnvironmentalProtectionSectionⅢUsingLanguage夯基提能作业新人教版选择性必修第三册

UNIT 3　Section Ⅲ一、语言基础训练Ⅰ．单词拼写1．The sky over the city was overspread with a heavy __smog__ (烟雾).2．Pl