Space-age Archeology the traditional tools of archeologists are shovels and picks.but high technology is making the archeologists work and time far more productive. archeologists dug pits along the old river banks and found clues to the past: stream-rounded pebbles,stone-age axes,broken ostrich eggshells,and the shells of land snails.the archeologists were quite pleased with these findings.for years,theyd been finding stone axes scattered through the desert,and couldnt understand why.now we know that early humans were living on the banks of old rivers,and left their beautiful tools behind.some are so sharp that you could shave with them. by the end of the second day,the team found a stretch of walled fields that expedition members said look like old new england fences.they just go on,non-stop,for 40 miles.later in the week,an ancient village was pinpointed,as was the lost city of oxpemul,once found in the early 1930s but quickly reclaimed by the jungle.the findings made them able to map the extent of the mayan civilization in about five days.working on foot,it would have taken at least 100 years. 1.with the help of the space-shuttle-carrieD.radar, archeologists found B.traces of ancient riverbeds under the saharA.desert. D.A.mountain beneath the saharA.desert. A.it was an olD.avenue, C.it was shapeD.by flowing water. 3.the stream-roundeD.pebbles anD.stone-age axes which were founD.along the ancient river banks show that B.ancient people didnt know how to make weapons. D.early humans were gooD.at fighting with sharp weapons. A.olD.new englanD.fences. C.the expedition members. 5.which of the following best summarizes the main information of the passage? B.without high-tech, the archeologists work woulD.come to A.stop D.high-tech makes the archeologists work more fruitful.
30,000 Sandy-damaged cars stored on eastern Long Island
How an allowance helps children learn about money
A declaration seeking life, liberty and the pursuit of happiness
Words and their stories: Belittle
New study could change treatment for asthma
Inaugural festivities put the 'party' into political parties
Oxfam: Power, water shortages in Goma
Music would not be the same without the guitar
Holiday season features latest, hottest electronic gadgets
奥巴马发表农历蛇年贺词
Killing of US school children sparks gun control discussion
On the bubble?
Epilepsy disorder suffered by millions around the world
Words and their stories: state nicknames, part 3
Words and their stories: Santa Claus
Tattoos illustrate art of saving lives
Everglades National Park–one of the world's great biological wonders
Watching for early signs of autism in babies
The State of Vermont: fertile farmland, green mountains
除了说声Good luck,你还能怎么祝人家好运?
His imagination redefined children’s literature
Now on the iPad: Apps for orangutans
London set for huge Chinese New Year celebrations
Words and their stories: State nicknames, part 4
Home TB treatment is helping patients in Swaziland
Student launches hospital for iPhones
十八届六中全会公报要点双语摘录
California voters reject food labeling requirement
American history: The shot heard around the world
Benedict departure will leave little room for change
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |