1．命题:　 可以判断真假的语句；

3.掌握充分条件、必要条件及充要条件的意义

2．理解四种命题及其相互关系；

1．理解逻辑联结词“或”、“且”、“非”的含义

(A)根据要求完成小作文，词数：约40字(共5分)

针对九年级这一年的学习生活，结合自己的理想，谈谈在饮食、健康、学习等方面，谈谈自己应该被允许和不被允许做的事情(共五句话)。

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(B)根据要求完成大作文，词数：60-80字(共10分)

你朋友Lily在学习外语上遇到了困难，请你写信告诉她怎样做才能成为一个更好的语言学习者(language learner)。重点谈谈你的想法和建议。要求：1. 60~70词 2. 内容完整，语言规范。

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根据短文内容，用方框中所给词的正确形式填空，使短文完整、正确(每个词只能用一次)。(10分)

In my school the rules for students are very 41 ______, but I think they are very necessary. 42 ______ the rules is everyone’s duty. They keep students from fighting, smoking, 43 ______ noise in class and so on.

　 Some students are not so good. They often 44 ______ the rules. They destroy(破坏) 45 ______ property(财产), such as desks, windows, trees and flowers. But 46______ of the students can follow the rules.

　 The rules are enforced by punishment(通过惩罚来执行). For example, the first time you get into a fight at school, the teacher will let your 47 ______ come and take you home. The 48 ______ time, you will be kicked out of school, and you 49 ______ to transfer to another school.

　　 I like the rules, because they make our school safe and 50 ______. They make it a better environment for study.

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