
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.

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.

There was an old oak tree in the garden. Holly’sfather wanted to cut it down and build a new office there. Holly felt sad anddidn’t agree. She moved into the old tree house which was her favourite place in the world.One day, it rained all night.

Dudiscovered his interest in folding paper in his childhood. After Du went tocollege in 2017, he had enough time to take the hobby seriously. He learnedfolding from online teachers and experts. Later he copied patterns from books.He spent almost three years improving his basic skills by making copies ofother artists’ designs. Then he made his own creations.

Studying is not always the most interesting taskwithin your day, but it is a necessary one. Even though it is required,everyone has got bored at one time or another while studying.

For a long time, I guarded the garden of peaceand quiet. When the children followed me into the garden, I would expect themto be out of sight (視野). And I would hand out tasks.

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(經(jīng)濟(jì))inCanada began ___12___ down.

Chinese taikonauts Zhai Zhigang, Wang Yaping andYe Guangfu carried out the Shenzhou-13 spaceflight mission (任務(wù)) that started on Oct. 15,2021. This mission lasts 6 months, which was also a national record.

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.

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 (任務(wù)) that started on Oct. 15,2021. This mission lasts 6 months, which was also a national record. Zhai isthe commander (指令長(zhǎng))who performed China’s first spacewalk in the Shenzhou-7 mission in 2008.

“We thankall the Chinese people for their support and encouragement. Our thanks also goto our workmates who took part in the mission (任務(wù)) and worked with us allthe time,” Zhai said to the reporter after he landed on the ground. “It is thepower and strength of our country that built the high-flying space station. Iam proud of our great motherland.”

Bill doesn’t like doingfamily housework at all. He likes to play with his friends in the park.Bill asks his four friends about their housework.Bill: What do you have to do at home, Dan?

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.

A passenger told an air hostess(空姐)thathe needed a cup of water to take his medicine when the plane just took off. Shetold him that she would bring him the ___11___ in ten minutes.

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?

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.

Each ofthem has their own experience- two people with synesthesia may both “feel”music, but they almost never feel the music in the same way. For example, onemay feel the music of the violin lightly brushing his face; the other may feelit on her ankle (腳踝). And one’s experience of synesthesia is alwaysthe same. If they see the number 5 in the color blue, then 5 is blue every timethey see it.

Slowlybut surely, Amy and her grandparents were making progress. Boxes of all sizeswere placed on top of each other throughout the house. Amy’s grandparents hadlived in the house for years and they had collected many things.
PPT全稱是PowerPoint,LFPPT為你提供免費(fèi)PPT模板下載資源。讓你10秒輕松搞定幻燈片制作,打造?顏值的豐富演示文稿素材模版合集。