2) 静态IP与动态IP IP地址是一个32位二进制数的地址,理论上讲,有大约40亿(2的32次方)个可能的地址组合,这似乎是一个很大的地址空间。实际上,根据网络ID和主机ID的不同位数规则,可以将IP地址分为A(7位网络ID和24位主机ID)、B(14位网络ID和16位主机ID)、C(21位网络ID和8位主机ID)三类,由于历史原因和技术发展的差异,A类地址和B类地址几乎分配殆尽,目前能够供全球各国各组织分配的只有C类地址。所以说IP地址是一种非常重要的网络资源。
二、将做人的教育寓于教学中 "师者,所以传道授业解惑也"。"传道"是三大任务中的首要。告诉学生科学道路和人生道路的曲折,要培养百折不挠的克服困难的坚强意志。老师应该努力学习做这种潜移默化、"润物细无声"的教育。
2、知道蔬菜营养丰富,教育幼儿要多吃蔬菜。 活动重点:知道从蔬菜的食用部分,比较异同点,形成蔬菜概念。 活动准备:与内容有关的课件西红柿、白菜、土豆、萝卜等实物若干、展板一张蔬菜图片与幼儿相等
活动目标:1.能够动脑筋想出各种跳和爬的方法. 2.克服困难、勇于挑战,体验成功和集体运动的快乐.环境创设:运动区域:跑跳区 活动器材:轮胎 圈 梅花桩 竹梯 大滚桶 海洋球 休息区域:长凳 生活用具:毛巾 衣筐(把生活用具作为标志,放在休息区域提示孩子自主保育)活动流程:热身运动→幼儿自主活动→分享交流→再次探索→游戏→整理场地活动过程:一.热身运动“今天,罗老师带我们小朋友到游乐园去玩,游乐园里有轮胎、 圈、 竹梯、梅花桩、大滚桶搭成的路,一会我们小朋友可以到这几条路上去玩一玩,跳一跳、爬一爬,看看谁的本领大。”“你们觉得我们在游乐场玩的时候,应该怎么样才不会伤到自己和别人?”“当两个小朋友撞在一起怎么办?”(引导幼儿从一个方向开始,不可以插队的。”“要是玩累了就在长凳上休息一下,擦擦汗。”思考:在活动前向幼儿讲清活动 要求,因为在前几次的活动中发现他们走竹梯、轮胎时没有秩序,插队的幼儿很多,这样幼儿就会影响幼儿活动的质量。二.幼儿分散活动,教师观察指导。1.幼儿参与活动的兴趣、投入程度。2.材料的选择情况、摆放情况、合适性如何?(作适当的调整)3.个别幼儿的活动情况并以玩伴的身份参与游戏。4.提示运动量强、易出汗的幼儿檫汗休息,用语言鼓励内向、不喜欢参加集体活动的幼儿。思考:我班幼儿不愿意参加集体活动的幼儿比较多,所以在活动进行中教师必须要关注这些幼儿,给他们以鼓励和表扬,让他们尽快加入到集体活动中来,体验集体活动的快乐。
2、根据自己制作的动物,编一编、唱一唱动物的歌。3、能充分想象、大胆制作表达。活动准备:1、课前对动物有一定的了解。2、泥巴、工具、综合材料人手一份。3、录音机、磁带、小熊头饰十个。活动过程:1、教师与幼儿听音乐玩游戏:《小白兔和大黑熊》(1)、教师与幼儿听音乐分角色玩游戏。
In the late autumn, John was badly ill andbecame bedridden (长期卧床的).After the doctor visited John several times, he told Sue, “His condition isquite ___22___.John seems to have lost all will to live. If he doesn’t want to live, medicineswill not help him.”
In the large yard stood thirteen trees ofdifferent sizes. One day, while Joey was playing with his sister under thetrees, he noticed that a tree trunk (树干) had a sad look. He raninto the house to tell his mom about it. She told Joey to find the reason whyit was sad.
As a boy, Kevin visited national parks and helearned the Earth is in ___12___condition. He felt worried, and he wanted to ___13___ the Earth. In 2009, he went to swim in waternear North Pole(北极)todraw people’s attention to the melting glaciers(融化的冰川).
I joineda band (乐队)as a drummer in my middle school. I thought itwould be fun playing the drum and meeting new friends. At first it was easy,but a month later, it got difficult. I was the only one who couldn’t keep pace (节奏)with the other players. Our teacher,Angie, singled me out to keep practicing while everyone else got to relax. Ifelt ashamed (羞愧的)as my teammates watched me fail so many times.Finally I got so tired of practicing that I didn’t care about doing it right.
YangHongwei, 56, was born into a kite-making family in Weifang. When she was young,she often saw kites with bright colors and different shapes in hergrandfather’s workshop.
As a boy, Kevin visited national parks and helearned the Earth is in ___12___ condition. He felt worried, and hewanted to ___13___ the Earth. In 2009, he went to swim in water nearNorth Pole(北极)todraw people’s attention to the melting glaciers(融化的冰川).
Long ago, a poor old couple lived on the coast.One day, an old storyteller came to their village. The old couple gave him ameal. In return, he gave them a coffee mill (磨粉机)and said, “Say, ‘Mill, please grind (磨粉)’,”
The app — called Sit With Us — is ___15___. If a student is having lunch in the afternoon,he or she can create an invitation. Other students can open the app and ___16___ that invitation. They can then use the app todecide when and where to ___17___.
At the age of nine, Kelly dreamed of being abasketball player. But one day when she was playing basketball, she hurt herleft leg ____16____.
Antarctica lies in the most southern part of theworld. It is the coldest area on Earth. There isn’t much rain, but there is alot of snow and wind. The lowest temperature was on 21 July in 1983 at -89.2℃!
During 1907-1909, British explorer EarnestShackleton explored Antarctica on foot. In 1911, two explorers—a British mannamed Scott and a Norwegian named Amundsen—raced 1, 400 kilometres to the SouthPole (南极).Amundsen arrived first.
“Red Trip” in TonghuaTonghua is a good choice to have a “red trip”. It is aplace full of “red stories”. The well-known national hero Yang Jingyu oncefought here. Experience the “red spirit”!
When itcomes to a meaningful life, we might think of love, happiness and health. Alife filled with meaning is what most of us want for ourselves. Then, whatmakes a meaningful life?Manyresearchers agree that a meaningful life comes down to three factors (因素): havinglong-term goals, believing that one’s life matters, and feeling that one’s lifefits together and “makes sense”.But we believe there is more to consider. Sometimeslife enables us to experience small moments of beauty. When people are open toappreciating (欣赏) suchexperiences, these moments may improve how they see their own life. We callthis experiential appreciation (EA).
In the large yard stood thirteen trees ofdifferent sizes. One day, while Joey was playing with his sister under thetrees, he noticed that a tree trunk (树干) had a sad look. He raninto the house to tell his mom about it. She told Joey to find the reason whyit was sad.
Thinking that her dream could never come true,Kelly was in low spirits and ____18____ her studies at school. Hermother did all she could to cheer her up, ____19____ Kelly refused tochange. She even took out all her anger and ____20____ on her mother.
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