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七年级英语上月考试题(无答案)

六年级英语月考试题一、单选题(每题一分,共20分)1.—Who are these _________ —They're Jessica's ________.A.woman; aunt B.woman; aunts C.women; aunt D.women; aunts2.The yel...

2.3 全称量词命题与存在量词命题 练习(含解析)

2.3 全称量词命题与存在量词命题 练习一、单选题1.已知命题对任意,,都有;命题若,则.则下列命题是真命题的是( )A. B. C. D.2.命题“”的否定是A. B.C. D.3.设命题,则为( )A. B.C. D.4.命题:存在...