标签：神奇 相关文章
society, that first brought civilization to the desert. Far from just scraping by in this harsh landscape, the Garamantes were flourishing. They grew crops, such as cereals and grapes. They kept horses and pigs. Clearly, they needed large amounts of
自然百科2010年
So the rigid hierarchical structure of Egyptian society wasn't just dictated by the Pharaohs. It also emerged because the Egyptians had only one water source - the Nile. 5,000 years ago, it wasn't just the ancient Egyptians who noticed the value of r
自然百科2010年
It worked because the water of the river carried something special within it, an almost invisible treasure that was the secret of Egypts economic might. What made Egypt great is this stuff - silt. It's a rich supermineral silt, it's like an expresso,
自然百科2010年
The center of the Sahara Desert in North Africa, one of the driest places on earth. I'm over six hours drive from civilization. Temperatures here regularly reach 100 degrees Fahrenheit, but there's less than half an inch of rainfall each year. Ah,the
自然百科2010年
But as it grew, the Khmer Kingdom faced the stumbling block. When the monsoon finished each year, the fish and water would vanish. So each year, the inhabitants were plunged into drought and hunger. The Khmer rules off the challenge magnificently. Th
自然百科2010年
But the human's struggle to pin down water is forever balanced on a knife edge. Get that balance wrong, and you pay the price. For all their ingenuity, the Garamantes over-exploited their ground water. Eventually, it ran out, and so did their civiliz
自然百科2010年
It was warm and dry inside the schoolhouse. Several oil lamps lit the darkness. Class, meet Annie and Jack, the young teachersaid. What class? thought Jack. There were only three kids. On one bench sat a small boy and a girl. The boylooked about Anni
汪培珽儿童英文分级书单《神奇树屋》
Jack opened his eyes. Late afternoon sunlight shined into the tree house. Our third gift, said Annie. She put the lotus blossom beside the pocket watchfrom the Titanic and the eagle's feather from theLakota Indians. One more gift, she said to Teddy,
汪培珽儿童英文分级书单《神奇树屋》
The firing came to an end. The horses calmed down. Thesmoky air began to clear. Clara handed Jack and Annie each a can-teen. Fill these quickly, she said. We have no time to waste.Jack's legs felt wobbly as he followed Annie to the creek. Theyfilled
汪培珽儿童英文分级书单《神奇树屋》
Clara Barton had turned the wagon around. She helped Jackand Annie lift the drummer boy into the back. The soldiers said he has heat stroke, Annie told Clara. Hisname is John.The boy lay down next to the sleeping Confederate soldier. He does have hea
汪培珽儿童英文分级书单《神奇树屋》
7 飓风来了 对，珠宝一定藏在那块石头下面。安妮说。 没错。杰克说，现在我们只要回到岛上就可以了，我们告诉骷髅船长宝藏在哪儿，当海盗们挖的时候，咱们就偷偷溜回树屋。 然后许个愿
汪培珽儿童英文分级书单《神奇树屋》
5SnowTracks Wow，whatisthisplace?saidJack. Maybeitsanartgallery，saidAnnie. Idontthinkso，saidJack.Itstoohardtogetto. Hereadaboutthecavepaintings: TheseIceAgebeastswerepainted25000yearsago.Cro-Magnonspaintedpicturesofanimalstheyhunted.Theymayhaveb
汪培珽儿童英文分级书单《神奇树屋》
1MasterLibrarians Jackstaredoutthekitchenwindow. Thesunwasnotupyet.Buttheskywasgrowinglighter. Jackhadbeenawakeforalongtime.HehadbeenthinkingaboutthedreamhedhadthedreamaboutMorganleFay. Thetreehouseisback，Morganhadsaid.Imwaiting. Jackwishedthatdrea
汪培珽儿童英文分级书单《神奇树屋》
7TheMoonMan Jacksheartnearlystopped. HecouldhearAnnietalking. Hi，shesaid.Wecomeinpeace. Therewassilence.ThenJackheardAnniesay，Thankyou.Ihavetohelpmybrotherupnow. Amomentlater，AnnierolledJackontohisback. Shegrabbedhishandandpulledhimup. Thanks，
汪培珽儿童英文分级书单《神奇树屋》
4MoonRabbits Oh，wow!saidAnnie.Shetookastepforward. ButJackstoodfrozen.Hewantedtogetagoodlookateverythingfirst. Hestaredattheground.Hewasstandinginalayerofgraydustasfineaspowder. Footprintswereeverywhere.Jackwonderedwhohadmadethem. Hereachedintohisp
汪培珽儿童英文分级书单《神奇树屋》
10ThisAge Birdssang.Theairwassoftandwarm. Ihopetheyfindtheircoats，saidAnnie. Metoo，saidJack.Hepushedhisglassesintoplace. Squeak. Hey，youhowdidyoufindthesorcerer?AnnieaskedPeanut. Squeak. Itsasecret，huh?saidAnnie.SheturnedtoJack.Wherestheflute
汪培珽儿童英文分级书单《神奇树屋》
Oh, no! cried Annie. We have to save her! Shetook off after the dogs. Arf! Arf! Arf! Teddy barked over Jack's shoulder. Jack ran after Annie with the book under his arm. He ran over the dry, cracked ground, past scrubbybushes and scattered gum trees.
汪培珽儿童英文分级书单《神奇树屋》
Jack and Annie climbed onto the rock ledge andstepped into the cave. The air inside was cleaner andcooler than the air outside. I can't see anything, said Jack. He patted the head of the baby kangaroo. Me neither, said Annie. Arf! Arf! I guess we'll
汪培珽儿童英文分级书单《神奇树屋》
4FishCity Therewerefisheverywhere:floatingovertheswayingseagrass， eatingonthewhitesandybottom， peepingoutofcoralcaves. Somekindsofcorallookedlikebluefingersorlacyfans. Otherslookedlikedeerantlersorlettuceleavesormushroomsortrees. Jackreadintheboo
汪培珽儿童英文分级书单《神奇树屋》
5TwoEyes Whatsashipslog?saidAnnie. Itsadiaryofanoceantrip，saidJack. Hepeeredatthecomputerscreenandreadalogentry: MONDAY，JULY5 Hey，thatwasjustlastweek，saidJack.Hereadfurther: COLLECTEDROCKANDSHELLSAMPLES MAPPEDOCEANFLOOR FOUNDTINYCRACKINHULL T
汪培珽儿童英文分级书单《神奇树屋》