以下关于头肩顶形态中颈线的说法，不正确的是（）。A．头肩顶形态中，它是支撑线，起支撑作用B．突破颈

谁能帮我修改一下英文作文?是大学申请海外交换的个人陈述,说明为什么要交换本人英语写作不太好,希望好心人帮我改一下语法错误,以及所有表述不当的地方,跪谢!The news of international exchange makes me excited because I have been longing for it since last year.I wish to seize this opportunity to refine myself and enrich my campus life.I have reasons for applying for the exchange.The main purposes are:To experience the atmosphere of the study in foreign country.I have lived near Tsinghua for over six years and must have formed some kinds of fixed ideas.I am eager for totally different things,new thoughts,brand new lifestyle to refresh my mind so that I can have a brainstorm.Getting an opportunity to study abroad even for a while is precious to me.I believe that various environments make a man versatile and very able while monotony makes him improvident.So a chance to learn abroad is really necessary for me.To gain ability of adapting to a new environment.Studying abroad also means living in a environment I have never experienced.The climate,what I eat,the people I will meet,their language and their way of living …All of these will differ from the present ones.I will have to change my habit to adapt to it.And this ability is very significant because the entire world is changing rapidly in recent years.One cannot adjust himself to new way of life is sure to be left behind the tide of the date.The exchange gives me incentive to gain this ability.To learn and practice foreign language skill.The best way to learn a language is to make it essential in living.I find it true because I have been in Japan for 8 years and this experience make me proficient in Japanese.When in Japan I had to use Japanese in every occasion ,otherwise I could not make myself understood.Now I notice that even the top students in Japanese department can only speak Japanese in a rather strange tone,which makes me realize that it must be the same when I speak English to native speakers.Therefore I have a great motivation to practice English in western country.To try my competitiveness.The last reason I apply for the exchange is to test myself,as a student in China's top university,whether still excel other students in the world.I want to identify my position in the worldwide battlefield,and I need this adventure!If I win this opportunity,I will do the fullest preparation in order to study abroad effectively and make the most of it.I will not waste this chance definitely. 英语

画地质图时,勘探线的长度怎么把握?那可以给我说一下间距怎么确定吗 我说勘探线之间的间距画多宽怎么确定，不是怎么画，知道的请说一下， 数学

为什么要耍龙灯龙灯里的举旗, 历史

一个蓝色的像云朵一样的图,猜一个品牌,5个英文字母组成,最后一个字母是E

南京火车站到北京火车站之间有8个站点,铁路部门要准备往返多少种不同火车票?要定多少种不同地票价? 数学