A.采用电子白板互动式教学,使孩子们的参与度更高了,注意力也更为集中
B.我们的TJ教材采用的是绘本风,三折页,还附有贴纸、字卡等
C.8岁的宝贝适合学K班教材
D.我们的线上外教课是每节课收费60元
The author uses the example of a rattle to show that ______.
A.in toy - making there is a continuity in the use of materials
B.it often takes a long time to introduce new technology into toy -making
C.even the simplest toys can reflect the progress of technology
D.even a simple toy can mirror the artistic tastes of the time