An Evaluation of PEP New Senior English for

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• An Evaluation of PEP New Senior English for
• 英语翻译After spending a happy summer vacation,I will meet a new semester.In my new semester,I become a Grade 3 student in senior high school.As we all know,we will attend the enterance examination in July next year.I will study much more harder than before in order to get a good grade next year.My English is poor,and I will try my best to do exercise and train my listening.Doing English grammar exercises everyday is necessary and Listening English record
• An Evaluation of PEP New Senior English for
• 已知向量OA*向量OC=向量OB*向量OC,则直线OC与AB的位置关系为
• 若向量BA=(1,2),向量CA (4,5) 则向量BC=