问题 填空题

一棵大树在一次强台风中于离地面5米处折断倒下,倒下部分与地面成30°夹角,则这棵大树在折断前的高度是        米.

答案

 15

∵∠BAC=30°,∠BCA=90°,∴AB=2CB,而BC=5米,∴AB=10米,∴这棵大树在折断前的高度为AB+BC=15米

写作题
随着留学热潮的不断升温,“微留学”也迅速进入学生的视野。“微留学”是指学生通过利用假期时间组团去国外名校进行短期的游历和学习,对留学生活有个初步体验。对此,你们班举行了一次以“中学生是否应该进行微留学”为主题的班会。下表是讨论的结果,请根据下表用英语写一篇文章并发表你的观点。
参考词汇:微留学short-term overseas study tours或micro study tours
虚荣心vanity
赞成:60%
反对:40%
(1)更好的了解国外名校;
(2)提前体验留学生活。
(1)费用太高,多数家庭无力承担;
(2)有些学生“留学”是为了跟风、炫耀。
你的观点……
 
注意:词数120左右。
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                          
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                                                           
                                                       
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