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.
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(鉀). 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.
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(雜技)SCHOOL
我的第一個(gè)記憶是一歲多有的。那是在青島,門外來了個(gè)老道,對(duì)我父親說,14號(hào)那天,往小胖子(我當(dāng)時(shí)比較胖)左手腕上系一圈紅線就可以消災(zāi),我當(dāng)時(shí)嚇得哇哇大哭,父親卻聽從了老道的安排。他說:“二看小胖子手腕的紅線,我覺得比寫二本偉大的作品還驕傲?!?/p>
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 (寶藏保安)”. 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.
Penny’sfamily was very poor. Her father was a sailor (水手). He earned very littlemoney and was ____16____ away from home. Her mother could not work ____17____she was often sick. One day. Penny’s mother said to Penny, “Our lamp (燈) isbroken. Go to the market on your way home from school and buy another one. Here’ssixty dollars. ____18____ to get a bargain (還價(jià)), dear.”
When he was 12, his parents died. He was aloneand didn’t ____11____ others. No one showed kindness to him. Peoplealways laughed ____12____ him. His only friend was a dog named Bobby. He____13____ his dog enough to eat and drink, but he was a little rude(粗魯?shù)?to it sometimes.
When I was young, I dreamed of being anastronaut(宇航員)andflying into the space. Nowadays, my dream has come true. Traveling to the moonhas got popular. People between the ages of 18 to 60 are able to travel to themoon.
尊敬的老師、親愛的同學(xué)們:大家上午好!今天,我國(guó)旗下講話的題目是《踐行志愿服務(wù),辦好文明校運(yùn)》。在XX年北京奧運(yùn)會(huì)和XX年南京亞青會(huì)上,有一群人,他們遍布賽場(chǎng)內(nèi)外,甚至大街小巷;人們親切地稱他們“小紅帽”、“紅馬甲”;他們互不相識(shí),但有著共同的信仰:奉獻(xiàn)、友愛、互助、進(jìn)步;他們沒有冠軍的光環(huán),但更值得尊重;他們就是青年志愿者。XX年,共青團(tuán)中央、中國(guó)青年志愿者協(xié)會(huì)共同決定把3月5日作為“中國(guó)青年志愿者服務(wù)日”。把“志愿者”定義為:志愿貢獻(xiàn)個(gè)人的時(shí)間、精力,在不謀求物質(zhì)報(bào)酬的前提下,從事社會(huì)服務(wù)事業(yè),為推動(dòng)社會(huì)進(jìn)步提供服務(wù)的人。也許“不謀求物質(zhì)報(bào)酬”、“推動(dòng)社會(huì)進(jìn)步”這些定義聽起來很大、很遠(yuǎn),甚至讓人懷疑是不是要求太高了?
尊敬的各位老師,親愛的同學(xué)和家長(zhǎng)們:時(shí)光淺淺,冬日漫漫,附中師生,好久不見,你們還好嗎?這段時(shí)間大家辛苦了!反反復(fù)復(fù)的疫情,致使居家網(wǎng)課成了學(xué)習(xí)的常態(tài),它對(duì)你的學(xué)習(xí)和生活有影響嗎?說沒有,絕對(duì)是假的。離開了學(xué)習(xí)的專供場(chǎng)所——校園,離開了窗明幾凈的教室,離開了朝夕陪伴的老師,離開了團(tuán)結(jié)友好又卷的厲害的同伴,在家學(xué)習(xí),說實(shí)在的,缺少了一種氛圍。人們常把一個(gè)陌生的溫馨的環(huán)境比喻成家,家,就是一個(gè)港灣,是一個(gè)身體和靈魂的棲息地,可是疫情硬是讓我們把家變成了學(xué)校,把客廳,臥室變成了教室。沒有了教室課堂的約束,沒有了老師目光的緊盯和交流,你的坐姿是否端正?一節(jié)課你是否一直全神貫注?有沒有邊聽邊吃邊喝的時(shí)候?有沒有起床后重返被窩的現(xiàn)象?和同學(xué)聊過天沒?作業(yè)每次都實(shí)實(shí)在在獨(dú)立完成嗎?一天下來除了利用手機(jī)電腦學(xué)習(xí),刷過抖音沒?聽過歌曲沒?玩過游戲沒?但愿這些都是我們無端的猜想和假設(shè),是我們?cè)阼饺藨n天,老師們很不放心??!一直擔(dān)憂線上學(xué)習(xí)的效率和效果。
牛是家鄉(xiāng)的風(fēng)景。春天的圖畫里少不了雨、離不開牛、缺不得迎春花。一犁春雨半畝洼,蓑衣斗笠半袖花,春風(fēng)應(yīng)時(shí)而至,春光爛漫無邊,翠綠墨綠嫩綠鵝黃綠,梨花李花桃花梔子花,所有的草葉花蕊、溪流石泉都滴著青春的原汁。
米吃多了,就有了想法。詩(shī)人說“米是漫山遍野的精靈,是生長(zhǎng)綠色的種子,是陸地結(jié)的珍珠”,我也有這個(gè)感覺。有時(shí)我看到掉在桌上的一粒米,會(huì)產(chǎn)生一番聯(lián)想:這粒米,不知道是哪粒種子被種在土里,經(jīng)過了多少風(fēng)霜雨雪,又被哪個(gè)農(nóng)民精心養(yǎng)育,澆水、施肥、捉蟲、打藥,頂著酷暑烈日收割了來,再冒著酷暑高溫脫了粒。脫一遍還不算,再脫一層皮,再脫一層皮,成為白白亮亮的精米,大有緣法落到我的飯碗里,結(jié)果不等它入口,就被輕輕拋棄,假如這米有靈,不知道會(huì)不會(huì)傷心?
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.
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.
【甲】予觀夫巴陵勝狀,在洞庭一湖。銜遠(yuǎn)山,吞長(zhǎng)江,浩浩湯湯,橫無際涯;朝暉夕陽(yáng),氣象萬(wàn)千。此則岳陽(yáng)樓之大觀也,前人之述備矣。然則北通巫峽,南極瀟湘,遷客騷人,多會(huì)于此,覽物之情,得無異乎?
紀(jì)錄片具有文獻(xiàn)價(jià)值、文化意義和美學(xué)價(jià)值,2011年元旦,中央電視臺(tái)紀(jì)錄頻道用中英文面向全球開播,它是我國(guó)首個(gè)覆蓋國(guó)內(nèi)外的紀(jì)錄片專業(yè)頻道。
當(dāng)代大畫家李苦禪撒手人寰駕鶴西游的時(shí)候,我的老師許麟廬正在山東旅行。許老聽到噩耗,立即登車,直奔北京。到了苦禪靈堂,滿頭白發(fā)的老人,長(zhǎng)跪不起,慟哭不止。他和苦老,同是齊白石大師的弟子,手足之情,比一奶同胞還親。
過去,公交車五六分鐘來一輛,現(xiàn)在一二分鐘來一輛,方便多了。有的乘客說,現(xiàn)在坐公交上班比開私家車還快呢,很多時(shí)候我們都坐公交車了。
風(fēng)能就是地球表面大量空氣流動(dòng)所產(chǎn)生的動(dòng)能。據(jù)估算,全球風(fēng)能約為2.74×1012千瓦,其中可利用的風(fēng)能約為2×1010千瓦,比地球上可開發(fā)利用的水能總量要大10倍。 目前,風(fēng)力發(fā)電已經(jīng)成為風(fēng)能利用的主要形式。隨著經(jīng)濟(jì)的高速增長(zhǎng)和能源消耗的持續(xù)上升,煤炭、石油等常規(guī)能源日益枯竭,環(huán)境持續(xù)惡化。