2022版高考英语一轮复习课时提能练40选修8Unit5Meetingyourancestors练习含解析新人教版20210609282

课时提能练(四十) 选修8　Unit 5　Meeting your ancestorsA：知识层面Ⅰ.语境语法填空A(考查派生词)Qian Xuesen is the founder of Chin