2020_2021学年新教材高中英语UNIT1SCIENCEANDSCIENTISTSPeriod1课时作业含解析新人教版选择性必修第二册

UNIT 1　Period OneINCLUDEPICTURE"课时作业.tif"题组A　基础练(建议用时：8分钟)Ⅰ．单词拼写1．Customs officials have made a seri