文章列表

• 1.美国英语听力80篇4 Lesson64
• [00:07.52] You probably know a famous saying about the importance of eating apples [00:14.58]It is,An apple a day keeps the doctor away. [00:19.83]Now...
• 2.美国英语听力80篇4 Lesson63
• [00:05.54]The American Heart Association is advising people to exercise [00:13.27]by lifting weights.One of the writers of that advisory [00:19.20]is ...
• 3.美国英语听力80篇4 Lesson62
• [00:07.39]Researchers in the United States have shown that prayer [00:14.32]may help speed the recovery of people with heart problems. [00:19.96]The r...
• 4.美国英语听力80篇3 Lesson60
• [00:05.77]A private American company says it has identified all the chemical pieces in the genetic material that shapes human life. [00:17.82]Celera G...
• 5.美国英语听力80篇3 Lesson59
• [00:05.49]Physical changes, such as gray hair and small lines on the face, appear as we grow older. [00:15.78]Now, American scientists say such change...
• 6.美国英语听力80篇3 Lesson58
• [00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00...
• 7.美国英语听力80篇3 Lesson57
• [00:05.12]American researchers say a new, low-fat substitute for butter could reduce the risk of heart attack and stroke for millions of people. [00:1...
• 8.美国英语听力80篇3 Lesson56
• [00:05.75]Last month, scientists announced that they recorded the first detailed maps [00:13.06]of the development of a child's brain between the ages...
• 9.美国英语听力80篇3 Lesson55
• [00:07.05]The World Health Organization says about 600,000-- 300 babies got H-I-V, [00:15.39]the virus that causes AIDS, from their mothers in 1998. [...
• 10.美国英语听力80篇3 Lesson54
• [00:04.91]54) Anti-sense Technology [00:10.55]Research scientists have reported success in using an experimental method [00:17.97]called anti-sense te...