精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

A. in B. during C. of D. for 查看更多

 

題目列表(包括答案和解析)

A desert is a very dry land where there is hardly any rain. In the day, it can be so hot that you could fry an egg on the ground. But during the night it is sometimes so could that water would turn into ice.






Many desserts are covered in sand. But some have mountains, rocks, or lakes that have dried up in the heat. The Great American Dessert has cliffs(懸崖) that have been made into amazing and beautiful shapes by the wind. The Sahara Desert in Africa is mostly sand. The Australian Desert has red sand.
Sometimes it does not rain for a whole year in the desert. But there is water deep under the ground and some plants have roots that go very deep to find it. Other plants have roots that spread out(延伸) a long way so they can suck up the rain as soon as it falls.
One desert plant is the cactus, which has long, spreading roots. The cactus stores water inside its hard skin. This skin protects it from heat and cold.
Camels are a bit like cactus plants! They store water too—inside their bodies. They have special fur which protects them from the sun during the day and keeps them warm at night.
Some other animals live in deserts, too. They have to be very good at seeing and hearing because most of them only come out at night. This is why many desert animals have extra big eyes or ears.
A desert fox has bigger ears than a normal for. A gerbil has huge eye, so that it can see at night. It stays cool in the day by staying underground, like most desert animals.
Some people live in the desert but they always make their homes near an oasis. An oasis is where water comes from an underground river. Near an oasis, people can grow lots of plants and keep animals.
Life is hard in the desert, for people, animals and plants. But desert people like to live there.
【小題1】A desert is very dry because__________.
A.it is sandyB.there is so little rain
C.the wind is strongD.there is no water deep under the ground
【小題2】What does the underlined phrase"suck up"in paragraph 3 mean_________?
A.圍堵B.討好C.釋放D.吸收
【小題3】Some desert animals have extra big eyes or ears because__________.
A.the sunlight is too strong in the dayB.they need to see and hear well at night
C.it is very cold at nighD.they store water in them.
【小題4】Most desert animals stay cool in the day by_________.
A.storing water in side their bodiesB.drinking water as much as they can
C.staying undergroundD.growing lots of plants
【小題5】Which of the following is true?
A.Desert people like to live in the desert though life is hard.
B.People in the desert usually fry eggs on the ground.
C.Camels have special fur to store water.
D.All the deserts are covered in sand.

查看答案和解析>>

In old times,man considered lightning to be one of the great mysteries(神秘事物)of nature.In fact a single flash of lightning 1.6 kilometers long has enough electricity to light one million lamps.
The American scientist,Benjamin Franklin,was the first to suggest that lightning is in fact electricity formed between the earth and clouds high above.It happened in 1752.In the same year,he also built the first lightning rod(避雷針)to protect buildings from being struck by lightnings.
Modern science has discovered that lightning is very strong and powerful.A lightning between a cloud and the earth may be as long as 13 kilometers,and travels at a speed of 30 million meters per second.Scientists have the opinion that there are about 2000 million flashes of lightning per year.In the United States alone,it kills almost one person per day.
The safest place to be in during an electrical(電的)storm is a closed car.Outside,one should go close to low ground for cover and not stop under a tree.Also one should stay out of water and away from metal fences.Inside a house people should keep away from open doorways and windows and not touch wires or metal things.
【小題1】From this passage we know lightning is____.
A.one of the great mysteries of nature.
B.electricity high above the earth.
C.a(chǎn) kind of light.
D.the sound from the clouds.
【小題2】In the U.S____.
A.every person can see lightning every day.
B.a(chǎn)t least one person is killed by lightning every day.
C.there are about 6 million flashes of lightning per year.
D.a(chǎn)bout one person per day dies from lightning.
【小題3】During a lightning storm,it would be best if you____.
A.stand under a tree.
B.go outside.
C.stay in a closed car.
D.stop near windows.
【小題4】A lightning rod can______.
A.prevent accidents caused by lightning
B.stop lightning
C.protect buildings from being washed away.
D.delay the coming of lightning
【小題5】A lightning between a cloud and the earth may be 13 kilometers long,and travels at
a speed of ______.
A.30 kilometres per second.
B.3000 kilometres per second
C.3 kilometres per second
D.30,000 kilometres per second

查看答案和解析>>




A Solar-powered Plane---Lowcarbon
Earlier this month, a solar-powered (太陽(yáng)能動(dòng)力的)plane called Lowcarbon took off to the sky for the first time. It has passed an important test on the way to travel around the world.
Lowcarbon took off from an airport in Switzerland(瑞士)at 45 km an hour. It slowly rose into the sky.
“There has never been an airplane so big, so light, using so little energy,” said Bertrand Piccard, a leader of the project.
During the 90-minute flight, Lowcarbon did several turns. It climbs nearly 1.6 km above the countryside.
Engineers plan to test a night flight in July. Then they will use the results of the tests to build a second plane. They plan to travel around the world in that plane in 2012. “We want to fly it day and night with no fuel,” Piccard said.
Piccard and pilot Andre Borschberg will take Lowcarbon around the world .They will make a few stops to change places and rest after a long time in the air----and to show off their aircraft.
Lowcarbon flies at 70 kph on average(平均). That is faster than a bike and slower than a car. The pilots will keep it in the air for up to five days at a time.
We Are One---“Expo Through My Eyes”
Sharing offers you more happiness. To celebrate the 2010 Shanghai World Expo, China Daily invites you to share what you’ve seen, heard and experienced at the 6-month international event or Expo-related stories in English. Whether you are an Expo volunteer, a reporter, or a tourist , we’d like you to share with us your Expo experience, as seen through your eyes. So if you would liketo contribute(投稿),please join us today in sharing the joy!
Topic: 2010 Shanghai World Expo
Language: English only
Length: No more than 1,000 words-
Content: Stories with photos are necessary.
Duration: May 1,2010---October 31,2010
Email-box: expo@chinadaily.com.cn
Reward: In addition to the satisfaction of supporting our work,
---your stories will be published on China Daily’s website;
---you will go in a lucky draw for a prize.
【小題1】Which of the following information about the plane Lowcarbon is NOT true?
A.It can fly at 70 km an hour.B.It is solar –powered.
C.It has passed a night-flight test.D.It is slower than a car.
【小題2】Lowcarbon is a special plane because________________.
A.it’s made in SwitzerllandB.it has travelled around the world
C.it can do turns in the skyD.it’s big and light, but uses little enegy
【小題3】The purpose of the second article is to________________.
A.encourage us to visit Shanghai ExpoB.a(chǎn)sk us to be volunteers for Shanghai Expo
C.invite us to write stories about Shanghai ExpoD.tell us to get the lucky prize of Shanghai Expo
【小題4】Your stories about the 2010 Shanghai Expo for China Daily___________.
A.can be in ChineseB.don’t need to have photos
C.must be given by postD.should be handed in by e-mail

查看答案和解析>>

During the day we work and play, and at night we sleep. Our bodies rest while we are   1 . In the morning we are ready  2  again. Our bodies grow   3  while we are asleep. Children who are tired usually   4  sleep. We can get better at our lessons  5  we have had plenty of rest. Boys and girls who are eight or nine years old need ten  6 sleep every night. Our bodies need plenty of   7  when we sleep. If we do not get enough fresh air, we      8  tired when we wake up. While in bed we must not cover our   9 . Our lungs(肺) needs to get  10 fresh air. If we   11 our windows at night, we can have plenty of fresh air. Cool air is better than warm air. Boys and girls who want to be   12  must get plenty of sleep.
Also, we need some after-school activities to keep in good health.   13 _students run every day. Some boys play basketball  14 a week.   15  girls,  some  often  play volleyball….So good sleep and exercise can help us grow better and study better.

【小題1】
A.a(chǎn)sleepB.sleepC.restD.play
【小題2】
A.to work and playB.working and to playC.to work and playingD.working and playing
【小題3】
A.muchB.moreC.mostD.slow
【小題4】
A.canB.mayC.needD.must
【小題5】
A.whileB.beforeC.a(chǎn)sD.a(chǎn)fter
【小題6】
A.hourB.hoursC.hour’sD.hours’
【小題7】
A.a(chǎn)ir B.sunC.waterD.food
【小題8】
A.feltB.will feelC.a(chǎn)re feelingD.has felt
【小題9】
A.footB.a(chǎn)rmC.headD.body
【小題10】
A.manyB.muchC.lots ofD.enough
【小題11】
A.openB.closeC.drawD.use
【小題12】
A.happyB.interestedC.helpfulD.healthy
【小題13】
A.muchB.more C.many D.a(chǎn) lot
【小題14】
A.one or two timesB.one and two timesC.once or twiceD.once and twice
【小題15】
A.SoB.But C.AndD.As for

查看答案和解析>>

In old times,man considered lightning to be one of the great mysteries(神秘事物)of nature.In fact a single flash of lightning 1.6 kilometers long has enough electricity to light one million lamps.
The American scientist,Benjamin Franklin,was the first to suggest that lightning is in fact electricity formed between the earth and clouds high above.It happened in 1752.In the same year,he also built the first lightning rod(避雷針)to protect buildings from being struck by lightnings.
Modern science has discovered that lightning is very strong and powerful.A lightning between a cloud and the earth may be as long as 13 kilometers,and travels at a speed of 30 million meters per second.Scientists have the opinion that there are about 2000 million flashes of lightning per year.In the United States alone,it kills almost one person per day.
The safest place to be in during an electrical(電的)storm is a closed car.Outside,one should go close to low ground for cover and not stop under a tree.Also one should stay out of water and away from metal fences.Inside a house people should keep away from open doorways and windows and not touch wires or metal things.
【小題1】From this passage we know lightning is____.

A.one of the great mysteries of nature.
B.electricity high above the earth.
C.a(chǎn) kind of light.
D.the sound from the clouds.
【小題2】In the U.S____.
A.every person can see lightning every day.
B.a(chǎn)t least one person is killed by lightning every day.
C.there are about 6 million flashes of lightning per year.
D.a(chǎn)bout one person per day dies from lightning.
【小題3】During a lightning storm,it would be best if you____.
A.stand under a tree.
B.go outside.
C.stay in a closed car.
D.stop near windows.
【小題4】A lightning rod can______.
A.prevent accidents caused by lightning
B.stop lightning
C.protect buildings from being washed away.
D.delay the coming of lightning
【小題5】A lightning between a cloud and the earth may be 13 kilometers long,and travels at
a speed of ______.
A.30 kilometres per second.
B.3000 kilometres per second
C.3 kilometres per second
D.30,000 kilometres per second

查看答案和解析>>


同步練習(xí)冊(cè)答案
精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区
国产精品网站一区| 一区二区三区自拍| 成人ar影院免费观看视频| 欧美国产日韩a欧美在线观看| 国产一区二区调教| 久久久久久久久久美女| 国产91高潮流白浆在线麻豆| 国产精品蜜臀av| 色偷偷久久一区二区三区| 亚洲一本大道在线| 91精品国产91综合久久蜜臀| 蜜臀av一区二区在线免费观看| 精品精品国产高清一毛片一天堂| 国产精品99久久久久| 国产精品福利一区二区| 欧美系列在线观看| 免费成人小视频| 国产日韩欧美麻豆| 一本一道综合狠狠老| 天堂av在线一区| 26uuu精品一区二区| 99久精品国产| 午夜国产不卡在线观看视频| 精品日韩av一区二区| 成人免费视频一区| 亚洲一区二区三区中文字幕| 日韩一区二区三区av| 国产a久久麻豆| 亚洲伊人伊色伊影伊综合网| 日韩一二在线观看| 成人高清免费观看| 午夜精品久久久久久| 久久亚洲影视婷婷| 在线一区二区三区四区五区| 另类成人小视频在线| 国产精品久久综合| 在线成人免费观看| 成人免费视频一区二区| 午夜精品视频在线观看| 国产午夜亚洲精品不卡| 在线观看日韩av先锋影音电影院| 毛片不卡一区二区| 亚洲日本在线天堂| 欧美大片在线观看| 色综合天天做天天爱| 蜜桃免费网站一区二区三区| 国产精品不卡在线| 日韩三级免费观看| 91在线观看免费视频| 美国毛片一区二区| 一区二区三区电影在线播| 精品国产网站在线观看| 色狠狠av一区二区三区| 国产一区二区三区久久悠悠色av| 一区二区在线观看免费| www欧美成人18+| 欧美性极品少妇| 成人中文字幕在线| 另类小说欧美激情| 亚洲二区在线观看| 国产精品免费aⅴ片在线观看| 日韩三级免费观看| 欧美三级资源在线| 成人18视频在线播放| 久久精品国产在热久久| 夜夜爽夜夜爽精品视频| 国产欧美日韩激情| 日韩欧美在线网站| 欧美午夜精品一区| caoporn国产精品| 激情图片小说一区| 天天综合天天综合色| 亚洲婷婷综合久久一本伊一区| 精品盗摄一区二区三区| 777色狠狠一区二区三区| 色综合天天综合狠狠| 国产成人8x视频一区二区| 免费看欧美美女黄的网站| 亚洲一区在线观看网站| 中文字幕在线视频一区| 久久精品亚洲国产奇米99| 日韩欧美国产综合| 欧美绝品在线观看成人午夜影视| 91美女在线看| 波多野结衣视频一区| 国产一区二区伦理片| 蜜桃一区二区三区四区| 亚洲mv在线观看| 一区二区三区在线不卡| 中文字幕日韩av资源站| 国产欧美日本一区视频| 久久久精品日韩欧美| 日韩精品一区二区三区在线 | 亚洲第一福利一区| 亚洲欧洲综合另类| 中文av一区二区| 国产日韩欧美综合在线| 国产亚洲美州欧州综合国| 精品国内二区三区| 精品福利一二区| 亚洲精品一区二区精华| 欧美成人猛片aaaaaaa| 日韩三级在线免费观看| 日韩一区二区免费高清| 日韩一区二区在线看片| 欧美一级久久久| 日韩视频一区在线观看| 日韩欧美一区二区免费| 日韩精品一区二区三区四区 | 亚洲精品日韩专区silk| 亚洲婷婷在线视频| 怡红院av一区二区三区| 一区二区三区中文字幕| 亚洲资源中文字幕| 亚洲大片一区二区三区| 香蕉影视欧美成人| 天天av天天翘天天综合网色鬼国产| 亚洲伊人伊色伊影伊综合网| 亚洲午夜免费福利视频| 婷婷成人激情在线网| 日本强好片久久久久久aaa| 日本不卡免费在线视频| 麻豆91精品视频| 久久国产精品无码网站| 国产在线乱码一区二区三区| 国产麻豆91精品| 成人午夜激情在线| 色综合咪咪久久| 欧美午夜片在线看| 日韩视频免费直播| 国产午夜亚洲精品不卡| 一区二区中文字幕在线| 亚洲综合色自拍一区| 日韩va欧美va亚洲va久久| 精品亚洲国产成人av制服丝袜| 国产一区二区在线视频| av高清不卡在线| 在线观看视频91| 欧美一二三区在线| 国产亚洲视频系列| 亚洲婷婷综合色高清在线| 午夜精品一区二区三区三上悠亚| 久久精品噜噜噜成人av农村| 国产91精品免费| 91福利区一区二区三区| 欧美一区二区视频免费观看| 久久综合国产精品| 亚洲人成人一区二区在线观看| 五月天网站亚洲| 国产一区二区剧情av在线| 99久久精品免费看国产免费软件| 欧美日精品一区视频| 精品久久久久久综合日本欧美| 国产精品日产欧美久久久久| 亚洲一区二区视频| 国产在线一区观看| 色婷婷综合在线| 欧美一区二区三区视频| 欧美国产日本韩| 亚洲成在人线免费| 国产一区二区三区美女| 日本精品视频一区二区| 日韩精品在线看片z| 成人欧美一区二区三区白人| 香蕉加勒比综合久久| 国产精品一二三区在线| 在线亚洲高清视频| 欧美精品一区二区高清在线观看| 亚洲三级在线免费观看| 美女视频一区在线观看| av亚洲产国偷v产偷v自拍| 欧美一二三四在线| 亚洲人成电影网站色mp4| 久久99久国产精品黄毛片色诱| 99精品视频在线免费观看| 日韩一区二区影院| 亚洲欧美另类小说视频| 精品一区中文字幕| 在线观看一区二区视频| 久久天天做天天爱综合色| 亚洲一区二区三区免费视频| 国产精品正在播放| 欧美日韩精品高清| 国产精品免费久久| 精品综合免费视频观看| 色婷婷久久久亚洲一区二区三区| 精品久久久久久久久久久久包黑料| 亚洲免费观看高清在线观看| 国产主播一区二区三区| 欧美男人的天堂一二区| 国产精品久久久久aaaa樱花 | 亚洲伦理在线精品| 国产在线播放一区| 欧美精品在线一区二区三区| 国产精品国产三级国产aⅴ原创 | 粉嫩av一区二区三区| 欧美一区二区在线免费播放| 亚洲美女在线一区| 国产成a人无v码亚洲福利| 欧美一级生活片|