美国英语听力80篇2 Lesson31
[00:06.97]An Israeli study has shown that air pollution from cities and industry can reduce rain and snowfall. [00:17.53]It says the problem appears to be linked to the number of pollution particles in clouds. [00:24.82]Daniel Rosenfeld of Hebrew Uni
美国英语听力80篇2 Lesson32
[00:07.47]On March Third, Keiko the whale pushed open a door and swam out of his floating cage. [00:15.07]In doing so, he gained the most freedom he has known since he was a baby. [00:21.11]He can now move around in all of Klettsvik Bay, in the Westm
美国英语听力80篇2 Lesson33
[00:06.77]Nylon material was placed under the Orc's body for the trip. [00:12.56]Holes had been cut for his nose, tail and fins. [00:17.45]A big mechanical arm lifted him into a special container filled with cold seawater. [00:24.97]This travel box m
美国英语听力80篇2 Lesson34
[00:05.62]34) Ancient Quasar [00:11.96]Astronomers have discovered what they say is one of the earliest known structures ever to form in the universe. [00:20.82]It is a star-like object called a quasar. [00:24.76]Quasars are very large. [00:27.69]The
美国英语听力80篇2 Lesson35
[00:04.44]New studies say that eating chocolate may be good for your heart. [00:10.48]Research shows that eating chocolate may reduce the chance of developing heart disease [00:17.32]by helping blood vessels remain clear and open. [00:21.79]Chocolate
美国英语听力80篇2 Lesson36
[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a
美国英语听力80篇2 Lesson37
[00:05.15]Many people are visiting a museum in Chicago, Illinois to see ancient documents called the Dead Sea Scrolls. [00:15.44]The world famous writings will be shown at the Field Museum of Natural History until the middle of June. [00:23.98]Museum
美国英语听力80篇2 Lesson38
[00:05.49]Why are some people left-handed? [00:09.09]Scientists have been trying to answer that question for many years. [00:14.32]Research has shown that ninety percent of people naturally use their right hands for most tasks. [00:22.94]But hundreds
美国英语听力80篇2 Lesson39
[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]
美国英语听力80篇2 Lesson40
[00:05.25]American scientists say they have found the strongest evidence yet [00:11.96]linking a breathing problem called sleep apnea to high blood pressure. [00:17.32]They published the study in the Journal of the American Medical Association. [00:2
美国英语听力80篇3 Lesson41
[00:07.21]NASA's Stardust spacecraft has successfully deployed a device that will collect extremely small particles in space. [00:16.95]The particles are called dust. [00:19.72]They form a stream of particles that flows through our solar system. [00:
美国英语听力80篇3 Lesson42
[00:05.56]Weather experts say this spring was the warmest in the United States in the past century. [00:13.66]They say the average temperature across the United States between March and May was about thirteen degrees Celsius. [00:23.07]That reportedl
美国英语听力80篇3 Lesson43
[00:06.24]For years, many scientists have considered walking on two legs as one sign of being human. [00:15.46]Early humans were not thought to have used their knuckle bones or other parts of their hands in walking. [00:23.59]Now, however, American s
美国英语听力80篇3 Lesson44
[00:09.87]44) Edward Knipling [00:15.52]A leading American research scientist died last month at his home in Virginia. [00:22.88]Edward Knipling was ninety-one years old. [00:26.75]Mister Knipling was a world famous expert in the study of insects. [0
美国英语听力80篇3 Lesson45
[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was
