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天津市市区重点中学2023届高三下学期联考模拟（一）英语试卷
学校：___________姓名：___________班级：___________考号：___________
一、单选题
1、After experiments on COVID-19, medical experts conclude that the infected person still has the possibility of survival, ________he or she tests positive twice.
A. as though B. even if C. in case D. so tha...