槟榔的槟是后鼻音还是前鼻音?第几声?那榔呢?

吃槟榔最重要就一个字,那就是“爽”!如果你能坚持嚼上10秒,在咽下槟榔汁的情况下,没有出现面红耳赤,心速加快,胸口憋闷,满头大汗——30秒之内不“趴下”的话,那你就是爷们,纯的!如果你吃了槟榔有种窒息的感觉,我想你不太适合吃槟榔.
咀嚼新鲜的槟榔可以提神健齿,可以令您的心神愉悦爽歪歪——女孩子千万别尝哦!

坏处：1.槟榔的汁液呈紫红色,嚼槟榔日久会使人牙齿变黑.槟榔嚼过后,将残渣吐在地上,红迹斑斑,如同血渍,影响公共卫生.2.含可致癌的生物碱.台北市卫生局第一科科长丘展贤表示,台北有8成8至9成2的口腔癌病人,都因嚼食槟榔而引起.

（1）19300÷20000＝96.5‰
﹙2﹚10000∶8000=5∶4
5＋4＝9
5400×5／9=3000元
5400×4／9=2400元

嚼槟榔的时候不用涂上石灰的荖叶,直接嚼槟榔的话,那就索然无味.叫做“一口槟榔一口灰”

滨东小学自创办二十年来,在区人民政府和教育局的关怀下迅速发展.近几年来,区政府拨出一仟多万元资金,建成校综合大楼,改建旧教学楼及围墙,建起了200M塑胶跑道,绿化、美化了校园.重新建设图书馆、电子阅览室、电脑室、自然实验室、音乐室、美术室、梯形教室及电教室、文艺表演厅、乒乓球室、练功厅.设制起点高、设备先进齐全,能适应二十一世纪教育教学工作需求.
槟榔小学位于厦门市思明区筼筜湖畔,省级示范校.拥有近100名老师,约1800名学生.占地约15000平方米.教学楼为红白两色,前面设有200米橡胶跑道,跑道中间有一块优质草坪作为足球场.主席台后面有一块篮球场.由于学生过多,篮球场现开始改造为新教学楼.教学楼分三部分：新教学楼（4、5、6年级）,旧教学楼（1、2、3年级）和综合教学楼.其中新教学楼高4层,第一层有一个很大的多媒体教室,前面有50个学生座位,后面有70余个软座.综合教学楼包括教师休息室、办公室、3个音乐教室、6个美术教室和图书馆以及阅读教室.教学楼后面有一个美丽的小花园.
各所学校各有自己的优缺点,找个相对适合方便接送的学校,那就是最好的学校咯

槟榔上的黑色东西俗称“心子”.槟榔的“心子”中含石灰汁、饴糖、酒、香精等混合物,与槟榔所含的生物碱二者共同作用于人体,引起植物神经兴奋所致.
因槟榔的汁液呈紫红色,嚼槟榔日久会使人牙齿变黑.槟榔最初,并非嚼食而是药用,有祛痰止咳、消食醒酒、宽胸止吐、驱虫等作用.以后才渐渐发现因可嚼食而独具魅力,这也是它流传至今,颇富生命力之故
嚼食时残渣切勿吞食,初次嚼食会有面红发热、出汗等现象,少数人还会有胸闷现象,是正常反应,因此初次嚼食时应适量品用.

anana is a large plant that grows in the tropical parts of central america,south america,asia,and africa,where the climate is warm and damp the year round.it grows 10 to 40 feet high and has enormous,broad green leaves that are sometimes 10 feet long.banana plant has a hollow stem that is 8 to 15 inches thick.another stem,which grows through the hollow stem,bears the flowers and the fruit.the flower bud is very large and shaped like a heart.as it grows it slowly unfolds and shows about 100 small blossoms,which are long and narrow and grow together in clusters or groups.some of these clusters grow into great bunches of fruit.each bunch is called a ‘hand’ because it looks almost like a hand with the separate bananas like fingers.the fruit is cut off the plant while it is still green and unripe.when the fruit is ripe its soft skin is yellow and resembles a small plantain.the flesh of the fruit is soft,sweet,and a very pale cream color.banana plants are cut down after the fruit has been removed,because they bear fruit only once.a piece of the root is planted again and in a few months the young plant grows several feet height.it takes two years before the plant begins to flower and bear fruit.bananas are an excellent provider of energy and a healthy addition to anyone’s diet.banana is the perfect supplement for active people.it provides large amounts of vitamin b-6 and vitamin c,which are two of the vitamins most commonly lost during strenuous exercise.banana is most well known as a supplier of potassium.potassium is very important to muscle function and is the nutrient most often associated with relieving muscle cramps.the potassium in banana may also help reduce the likelihood of hypertension and stroke.banana is also high in dietary fiber,and thus may reduce the risk of certain types of cancer,especially colon cancer.banana is also packed with natural energy and phytonutrients.

The betel nut has the for medicinal purposes function,uses in treating the expelling worms,but edible excessive can have the toxicant symptom,light then excited,the look delay,long-term edible easy to cause the tooth to change black,the oral cavity disease,the oral cancer.