单词:test on understanding science
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This is the VOA Special English Education Report. The Program for International Student Assessment, or PISA, is a two-hour test that compares the performance of fifteen-year-olds. In the latest test, the countries with the best readers were South Kor
SCIENCE IN THE NEWS - A Death in the Family May Cause Real Heart Break SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im SHIRLEY Griffith. MARIO RITTER: And Im Mario Ritter. Today, we tell about an American study of heart atta
This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Senior citizens don't believe the hype, because a new study finds that older folks who accept that seniors' memories get worse do worse on memory tests.
Was there ever any doubt in your mind that computer science was what you wanted to do? 你对自己想要从事计算机科学这个行业有过任何的怀疑吗? I always wanted to be involved with computers. 我一直想跟计算机打交道。
Hello everyone, my name is Karl Roberts, and I will be your teacher for this class,_______ Communication. Uh, to begin with, please take a look at the___ in front of you. As you should all know by now, this class meets on Tuesdays and____ from 3:15 t
Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of animals has been central to the development of anaesthetics, vaccines an
If Time Flew, You Had Fun A study in the journal Psychological Science finds that if people believe that time has flown, they think they had more fun. Karen Hopkin reports As we all know, time flies when youre having fun. But according to a study in
Compounding the problem is a social-psychological phenomenon called stereotype threat. 把问题往复杂了说,这就是成见威胁。 Social scientists have observed that when members of a group are made aware of a negative stereotype, 社会科学
SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood
High school students have defeated an artificial intelligence device designed to pass the national college entrance exam, in Chengdu City, Sichuan Province. 最近,四川省成都市某高中的学生们战胜了专门为通过高考而设计的人工
This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Performance anxiety can be crippling. Entertainers who suffer from it come up with creative defenses. Bono has his purple shades. The indie rock singer Cat Power fac
SCIENCE IN THE NEWS - Traditional Test for Cervix Cancer Being Used to Test for Other Cancers This is SCIENCE IN THE NEWS, in Special English. Im Kelly Jean Kelly. And Im Avi Arditti. Today, we tell about a new way to test for cancers of the female r
SCIENCE IN THE NEWS - Understanding How Tornadoes Work KATHERINE COLE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Katherine Cole. BOB DOUGHTY: And I'm Bob Doughty. This week, we will tell about the science of tornadoes. Tornadoes have be
SCIENCE IN THE NEWS - A Possible Blood Test for Alzheimers Disease JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. Im June Simms. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about Alzheimers disease. More than a century
People should not overreact to the fall in ranking of Chinese students in the 2015 Program for International Student Assessment; they should focus on what the test results indicate about the education system in China, experts said. 在2015年国际学生
This is scientific American 60 seconds science. I am, got a minute? Everywhere you go, the trillions of microbs is in you got go to. That is a compllicating sort, because according to a new study a more diverse population of testnal bacteria is links
This is Scientific Americans 60-second science. I am Wayt Gibbs. Got a minute? A protein can tell us a suspicious spot. Is this benign along or cancer of a tumor? In the case of lung spots 4 and 5 turn behind us. Unfortunately, making that determinat
It is one thing to learn a new piece of information, such as a new phone number or a new word, but quite another to get your brain to file it away so it is available when you need it。 A new study published in the Journal of Neuroscience by research
For all our research, resources, technology and collective intelligence theres still way more that we dont know about managing the human body, than we do. We like to think were more enlightened than ever but in many ways were still failing miserably
And the trick here is to use a single, readable sentence that the audience can key into if they get a bit lost, 这里的窍门就是使用简单、易读的句子,让观众即使有点儿不明白也能够掌握要点, and then provide visuals w