Melatonin(褪黑素) is produced by the body to control when you get sleepy and whenyou wake up. As night falls, the levels of melatonin rise, telling the bodythat it’s time for bed. And the levels naturally fall as daylight comes near,getting you ready to greet the day.
Once upona time, two brothers lived in a village. They were both famers and grew corn.The elder brother had many children to feed. The younger brother also had a bigfamily to look after. Although the brothers were poor, they lived happily.
Lu Junling, a security guard from Hebei University, became popularon the Internet. As an ordinary (平凡) person, though Lu Junling is more than 50 years old, hememorizes English vocabulary for CET 6 under the street lights every day justto improve himself. When he is free, he also writes novels and sings operas.That’s not all! Painting, music, kongfu, ancient poems, etc. are all hishobbies. So a number of people call him “treasure security guard (宝藏保安)”. Lu Junling said, “If I want to become an artist, I will alwayswork hard for my dream!” Mr. Lu’s words live in many people’s memory.
Locatedin the mountains about 100 miles from Los Angeles, the Idyllwild Arts Academyis a boarding school for young artists. It offers training in arts, likedrawing, painting, photography and cinema, along with programmes for theperforming arts. The school’s quiet, rural location also makes it a verypeaceful and beautiful place to learn. THE NATIONAL CIRCUS(杂技)SCHOOL
We allknow that rice, wheat and corn are staples, but do you know there is anotherkind of staple food—potatoes? Potatoes have many advantages. Theyare a good source of vitamin C and potassium(钾). A potato’s vitamin C isas rich as 10 apples. What’s more,potatoes are low in calories(卡路里)-onlythree fourths of the same amount of wheat and corn, according to People’s Daily. Potatoes are easy togrow. It can be grown in both the north and the south during winter, spring andautumn. The plant is also able to bear drought(干旱). Some areas of China arefacing water shortages, so the potato is safe to grow.
中国固体废物的历史堆存总量高达600亿—700亿吨,每年新增固体废物约100亿吨。如果以传统的堆放或填埋方式处置,直接后果就是挤压和损毁城市用地,并且污染大气、土壤和地下水,造成周围环境的严重污染,威胁人们的健康。
政府工作报告2022年有序推进碳达峰碳中和工作●落实碳达峰行动方案推动能源革命,确保能源供应,立足资源禀赋,坚持先立后破、通盘谋划,推进能源低碳转型●加强煤炭清洁高效利用,有序减量替代,推动煤电节能降碳改造、灵活性改造、供热改造推进大型风光电基地及其配套调节性电源规划建设,提升电网对可再生能源发电的消纳能力
桃花峪是黄河中下游分界线,把桥建在这里自有讲究。我个人的选择原因,就实用层面来讲,自是离老家更近,却也有非实用层面:是它的外形更时尚更壮观,名字我也格外钟爱:桃花峪——黄河——大桥,既明艳又铿锵,既坚固又绵长,不是么?
主持人(孙志远) 中学生在网上能不能交到真正的朋友?我觉得答案是肯定的。同学们有什么想法呢?欢迎大家一起参与讨论。张思齐 网络是虚拟世界,网上交友,不用担心对方会泄露你的秘密,因而可以袒露自己的真实想法,这样很容易交到真正的朋友。
作吴令,备诸苦趣,不知遂昌仙令④,趣复云何?俗语云:“鹄般白,鸦般黑。”由此推之,当不免矣。人生几日耳!长林丰草,何所不适,而自苦若是。每看陶潜,非不欲官者,非不丑贫者。但欲官之心,不胜其好适之心;丑贫之心,不胜其厌劳之心,故竟“归去来兮”,宁乞食而不悔耳。
意既不可以完全达之以言,“和自然逼真”一个条件在文学上不是做不到吗?或者我们问得再直截一点,假使语言文字能够完全传达情意,假使笔之于书的和存之于心的铢两悉称,丝毫不爽,这是不是文学上所应希求的一件事?
如何挑选既安全又营养的食品,是大众普遍关心的问题。学会读懂食品标签变得越来越重要,那么该如何看懂食品标签呢?首先看配料表。我国《食品安全国家标准预包装食品营养标签通则》规定,配料表中食品配料名称按比例从多到少排列,也就是说,前几种配料就是该食品的主要成分。比如,某种酸奶,它的配料表依次写着生牛乳、白砂糖等,说明含量最多的是生牛乳,其次是白砂糖。
At first, I wanted to give up the job becausegetting up too early in the morning made me unhappy. I’ll never forget howtired I felt on my first day, but I’ll never forget sitting together andtalking about our days with my workmates for the first time either. Suddenly, Ifelt good to be a member of them.
13. 渡荆门送别李白渡远荆门外,来从楚国游。山随平野尽,江入大荒流。月下飞天镜,云生结海楼。仍怜故乡水,万里送行舟。
By usingthis method, the study found that red meats were the most unfriendly foods tothe environment. Keeping farm animals produces a large number of methane(甲烷)that keeps 30 times more heat than CO2. As well asmaking the earth warmer, eating too much red meat is known to increase the riskof a few illnesses, such as heart trouble.
Ibelieved that I was right and he was wrong, and Tony believed that I was wrongand he was right. Our teacher, a kind and smart lady, decided to teach us alesson. She brought us to the front of the class and placed him on one side ofher desk and me on the other. In the middle of her desk was a large and roundobject. I could clearly see that it was black. The teacher asked us what colorthe object was. “White,” Tony answered. I couldn’t believe he said the object waswhite! “Clearly, it was black!” Another argument started between Tony and me,this time about the color of the object.
彭德怀接着说:“我正从他家门前经过,停止着观看这种示威。我看这些人一多半已饿个半死,而且我知道这个富人在他的仓里有一万石以上的米。可是他完全拒绝帮助这些饥饿的人们。我激怒起来了,领导着农民攻打并且冲进他的家里。农民运走了他的仓里的一大半粮,食。以后我想到这件事情时,我不知道当时为什么要那样做。我只知道他应该把米卖给穷人的,而且如果他不肯这样做的话,那他们从他这里把米抢走,是很对的。”
阅读下面唐诗,完成下面小题。漫成一首杜甫江月去人只数尺,风灯①照夜欲三更。沙头宿鹭联拳②静,船尾跳鱼拨刺③鸣。【注释】①风灯:船中桅杆上挂着的灯,有纸罩能避风。②联拳:指夜宿的白鹭屈曲着身子,三五成群团聚在沙滩上。拳,屈曲。③拨刺:拟声词,指鱼在水里跳动发出的声音。11. 这首诗通过“_____________”“风灯”“宿鹭”“_________________”等意象,描绘出一幅恬淡平和的江上月夜图。
倘若意犹未尽,试看杨万里的《郡中送春盘》:“饼如茧纸不可风,菜如缥茸劣可缝。韭芽卷黄苣舒紫,芦服削冰寒脱齿。”白如茧纸的是春饼,吃的时候,从春盘里夹取菜蔬各一小箸,卷为细简状,这便是咬春饼。
天在下雨,让原本就显得有些悲壮的远行更添了一份凄凉。雨不大,缠绵如丝,像是故土对他恳切地挽留,轻轻柔柔飘落在他的头发上,于发梢积出细小的雨珠连成网,将他的薄外套淋得到处是深浅不一的痕迹。天阴阴的,压下来,世界晦暗。透过这迷离的雨雾,他恍惚看到路上的行人向他迎面走来,汇成浩荡的人潮,或者说,是他感到自己正孤独地在人潮中逆流而行。