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.
My arms were shaking and my heart was beating ____19____when I stood at the starting line. ____20____ the endless runway (跑道), I felt like a boatfighting against the wind and rain.
Lastsummer, I was holding the net when Grandpa asked me ____19____ I couldhelp him teach Frank how to play chess. I said no because I wanted to catchfish. Grandpa had been the one who’d taught us how to catch fish, but then the ____20____ made him stay behind.
The fantasticman-made “forest” is a Singapore landmark. It is made from steel and concrete(水泥) covered in localflowers and plants. At night, 18 solar-powered tree-like towers which get theirenergy from the sun often light up the city.
For Yang, one of the long-expected activitiesduring the Spring Festival is to take photos with family members. On the earlymorning of the second day of the Chinese New Year when the whole family reunite,he would dress up and wait for the photo to be taken.
Excitedly, he went to draw water(抽水), ___15___ he couldn’t pump water no matter how hard hetried. He sat on the ground ___16___.Just at that time, he saw a small bottle with a cork(瓶塞).
There wasa stone lying in the mountains for a long time. He had a dream—one day he couldfly up into the sky ___11___ a bird. When he told his dream to his friends,they all laughed at him.
Mr. Zhang was a cook in Canada. He ___11___in Guangzhou, and he learned to cook in Hong Kong. He moved to Canada for workwhen he was 26 years old. Everything was good till COVID-19(新冠病毒)brokeout. Last year, he returned to China because the economy(经济)inCanada began ___12___ down.
All thefamily—my grandparents, my parents, my aunt and uncle, my cousin, my sister andI— ___22___ the turkey. However, turkey is not the easiestthing to ___23___. It takes a lot of time to prepare and a lot ofwork to cook…and there are a lot of chances for things to go wrong.
Zu Ti was a great man of Jin Dynasty. He was ____16____ for his hard work andgreat achievements. But when he was a child, he was a naughty (顽皮的)boy who showed little ____17____ inreading. As he grew up, Zu Ti ____18____ hedidn’t have enough knowledge.
We’re leaving Qinghai Station. The scenery alongthe way is some of the wildest in all of China. Keep your eyes open as we racethrough this beautiful land. You might see a rare Tibetan antelope(藏羚羊)fromyour window.
Chinese taikonauts Zhai Zhigang, Wang Yaping andYe Guangfu carried out the Shenzhou-13 spaceflight mission (任务) that started on Oct. 15,2021. This mission lasts 6 months, which was also a national record. Zhai isthe commander (指令长)who performed China’s first spacewalk in the Shenzhou-7 mission in 2008.
An unexpected thing happened in the ____11____ of my eleventh year. Thehome I had ____12____inwas burned to the ground in the middle of the night. ____13____ , mymom, dad, grandma, brothers and I escaped(幸免于难).
Electric cars may seem like a recent invention,but they have been around for years. In the early 1900s, there were ___16___electric cars on the road than gasoline(汽油)cars, because at that time,gasoline was expensive compared with other fuels(燃料), electriccars were more popular.
I’m glad to receive your letter and know yourunforgettable(难忘的)experience.Now I’d like to share mine. Last Friday, I was cleaning my room and found anold photo in a drawer. While I was looking at it, the ___16___ memory of that day came back to me.
Paper cutting or tearing is a cultural traditionin China. For centuries, it has been passed down from one generation(一代人) tothe next, especially from mothers to daughters.
Mr. Zhang was a cook in Canada. He ___11___ in Guangzhou, and he learned to cook in HongKong. He moved to Canada for work when he was 26 years old. Everything was goodtill COVID-19(新冠病毒)brokeout. Last year, he returned to China because the economy(经济)inCanada began ___12___down.
Liu Min is an English teacher. These days, herfamily are experiencing a different life of working and studying. They get upand do morning exercises at 6:30 in the living room. After breakfast, theystart their work and study. Her husband turns on his computer in the study (书房), reading his e-mails andmaking a list of today’s work.
Parentsand children often face the challenges of money. Common topics include settingpocket money, learning to save, and deciding to buy expensive things. The goalof most parents is to teach their kids how to deal with money wisely. The goalof most kids is getting money to spend. How can families achieve these goals?
I lost mysmartphone at West Park on Loomis Road on Monday morning, Oct. 27. The photosin it haven’t been uploaded(上传)to the Cloud. They are very important to me.Please call me at 730-8607.