首先,林冠層就像一把大傘,能夠?qū)Υ怪苯涤赀M(jìn)行再分配。一部分降水被林冠截留,直接蒸發(fā)到大氣中;一部分順著枝葉、樹干流到林地,形成樹干徑流。據(jù)統(tǒng)計,我國主要森林生態(tài)系統(tǒng)的林冠截留率平均值為11%~34%。
Remember that it’s better to fail than it’s togive up, and the key is to learn from your failure(失敗). But along withdifficulties, there will also be ____18____ wonderful waiting for you.
Bike-to-Work Day is held every year across North America on thethird Friday of May. It was started by the League of American Bicyclistsin 1956. Its aim is to promote (促進(jìn)) the bicycle as a serious choice of getting toand from work. In today’s world where global warming is a serious issue, thebicycle is a perfect way of reducing our carbon (碳) footprint.
Late onenight, Gulliver received a warning that some nobles wanted him killed. Even theemperor of Lilliput wanted to give him less food to save ___16___. It was true Gulliver was very expensive.
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.
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(幸免于難).
I’m glad to receive your letter and know yourunforgettable(難忘的)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.
Some schools have organized too many tests thatare too difficult. As a result, students have to study hard all the time andthey have been under a lot of stress. It has been harmful to students’ mental (心理的)and physical health and it must be changed.
Everyone knows how similar chimpanzees (黑猩猩)are to humans. So it’s no surprise that their greetings are also close to ours.The most common ways of greeting between chimpanzees are hand touching andhugging. Sometimes they also kiss each other. Some chimpanzees can even learnsimple sign language.
Raden Roro Hendarti, nearly 50 years old, is alibrarian in Muntang village. She started a “trash library”, hoping to makechildren read more as well as make them realize the importance of environmentprotection. Each weekday, Raden puts all kinds of books on the back of herthree-wheeler (三輪車)and rides to Muntang village. There, children line up to exchange plastic cups,bags and other trash for books from Raden’s mobile library. After finishing theexchange, Raden carries back all the trash.
There are many kinds ___21___art forms in China. ___22___ you often see any of them in your life?They help us understand and enjoy the traditional Chinese culture. When theSpring Festival comes, some people often ___23___ the red paper intodifferent art works with scissors.
I often hear some students say English isdifficult, so they can’t learn it well. ___11___ English is very easy for me. I’m good ___12___ it. I’m very glad to tell you ___13___ about how I study English.
One night many yearsago, an angry voice woke me up from sleep. It was my drunken (喝醉的) father. Those days, he would always ___11___ home very late. Sometimes, he would also go on to fight with my mom.
FIFA World Cup is one of the biggest sportsevents in the world. It ___11___every 4 years. The first World Cup was in 1930. It has a history of over 90years. During the World Cup, ___12___fans watch the games and cheer for their favorite teams or players.
The December day started like any other. Papacame back with his boat full of fish. Mama made breakfast for the family.Seven-year-old Joonas was doing his homework, while his two little brothers ranaround the yard. That day seemed peaceful, but Alejo ____16____ better.
TheChinese knot, a folk art, has a long history. People first made them to recordinformation and send messages before they started to use words. The knots wereused for decoration (裝飾) and to express thoughts and feelings in theTang Dynasty. They were later popular in the Ming and Qing dynasties. But thisart wasn’t really accepted by the common people until the Qing Dynasty.
My arms were shaking and my heart was beating ____19____ when I stood at thestarting line. ____20____the endless runway (跑道), I felt like a boat fighting against the windand rain. I ____21____myself that simply joining in was a victory (勝利) itself.
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.
If youthink you have walked into a library with a ____11____ likethat, you are exactly wrong. ____12____, you’ve entered the workplace of CourtneyHolmes, known as the Storybook Barber (理發(fā)師).
At the age of seven, I started school in London.There I met a ____21____,Mr. King. He influenced my whole life. Mr King taught me maths. He washumorous. Sometimes, he told us funny stories. So his lessons made us ____22____.