单词:paper-strip method
单词:paper-strip method 相关文章
Cooperative Learning May Change Your Mind About Group Work Two heads are better than one. Or so the expression goes. It means that two people working together have a better chance of solving a problem than one person alone. But not everyone likes wor
Unit 4 [00:02.98]Look into Science!How Can a Paper Have One Side? [00:10.63]A piece of paper has two sidess. [00:15.07]See?This piece of paper has a white side and a pink side. [00:22.44]In this experiment,In this experiment,we make a piece of paper
[00:03.58]Scientists at work [00:05.32]工作中的科学家 [00:07.05]Speaking [00:08.37]说 [00:09.69]The work of scientists is often discussed. [00:11.92]科学家的工作经常引起争论. [00:14.16]Work in pairs and discuss the advantages and
VOICE ONE: Im Steve Ember. VOICE TWO: ''Revolt on the Amistad,'' silkscreen print by Jacob Lawrence And I'm Barbara Klein with EXPLORATIONS in VOA Special English. At the National Gallery of Art in Washington, D.C., you can see a colorful and expres
This is the VOA Special English Agriculture Report. Strip cropping Nigeria is the world's largest cowpea producer. Cowpeas are also called black-eyed peas. But there is always room for improvement. Recently, before the start of another farming seaso
Scientists are reporting a new way to identify when a heart transplant recipient is starting to reject the new organ. The new technique could help doctors ensure the success of more transplants. The human immune system is programmed to reject foreign