第二节：读写任务(共1小题，满分25分)
阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
We Have Different Ideas!
This may be the most important choice—the turning point in my life. Never before have I been so serious. For me, a Senior Three student, which university to choose is really a hard question, especially when I hold a completely different opinion from my parents.
I’m longing for Beijing University for its long history, beautiful campus and academic atmosphere. Besides, it’s a good chance to experience a different culture.
But to my great surprise, when my parents heard this, they are strongly against my idea. Moreover, I was shocked to find mum crying! She asked in tears, “Why don’t you stay in Guangzhou? So young a girl, how can you take good care of yourself? Beijing, oh! It’s too far away. What if I want to see you or you want to see me?” My father also asked me a serious question, “Are you sure you can find a good job in Guangzhou after graduation?”
Actually, I’ve thought about all these. As an independent and active girl, I certainly can handle all the problems. I insist on my choice, but I really value my parents’ agreement.
[写作内容]
1. 概括短文要点，字数为30词左右；
2. 假设你是这位学生的班主任，该生向你求助，希望你能帮她说服她的父母，请写下你要对家长说的话，字数为120词左右，至少包括以下内容：
（1）客观分析去外地读大学和留在广州读大学的利与弊；
（2）陈述你支持这位学生的理由。
[写作要求]
1. 在作文中可以使用自己亲身目睹的或虚构的故事，也可以参照阅读材料的内容但不得直接引用原文中的句子；
2. 作文中不能出现真实姓名和学校名称。
3. 标题自拟。
[评分标准] 概括准确，语言规范，内容合适，篇章连贯。
4AlCl3+3O2 ↑。请回答下列问题：
，其原子在天然同位素原子中所占的百分比为60%。实验测得溴化镓(GaBr3)的摩尔质量为309.8 g/mol，则由此推知镓的另一种同位素是_________。