根据这两个图，小芳认为六年级参加艺术活动的同学比五年级的多．你同意她的看法吗？为什么？

几年前闹得沸沸扬扬的三鹿奶粉事件的主角“三聚氰胺（C₃N₆H₆）”是一种白色结晶粉末，无毒，无味，不溶于水．动物长期摄入三聚氰胺会造成生殖、泌尿系统的损害，膀胱、肾部结石，并可进一步诱发膀胱癌．试回答下列各题：

①三聚氰胺是一种____（填“有机物”或“无机物”）．

②一般奶粉中对蛋白质含量测定时，含氮量为16%左右，而三聚氰胺中含氮量为____．

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

Dear Sir or Madam

    I've learned from the newspaper dial my company is looking for a clerk. I'm very interesting in the job and I'd like to apply for at the position.

    First of all， allow me introduce myself. I have just graduated from senior high school and take the College Entrance Examination. I want to find an part - time job in the summer. I'm 18 years old and have a good knowledge of English, especially in terms at speaking and listening. In fact, I won the first prize in the English speech competition hold in our school last year. Besides, I'm quite easy - going and therefore very popular among my classmate.

    I sincere hope you can give me a chance. I'm looking forward to your early reply.

Yours,

Li Hua