问题 填空题
计算:
2xy
(x-y)2
x-y
4y
=______.
答案

原式=

x
x-y
1
2

=

x
2x-2y

故答案为

x
2x-2y

单项选择题
写作题

假定你是李华, 你们学校最近开展了创建“平安校园”的活动。你们班为此组织主题班会,请你就如何创建“平安校园”在班会上谈谈你的想法。发言应包括下面的内容:

1.安全意识的重要性;

2.校内潜在的一些人身安全隐患,如: 体育运动时,和同学发生矛盾时等情况。

3.你对解决这些问题的积极建议。

注意:

1.词数100左右;

2.文章开头已给出,不计入总词数。

注释: 校园安全: safety at school

My dear classmate,

Whether our school campus is a safe place to stay on means a lot to both teachers and students.______________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

__________________________________________________________________