第40次打卡（12月22日）

1）Today ......do something a little different .In the past few classes,we've listened to traditional music from around the world.We've talked about the characteristic of this music.But ......style......distinctive.What kinds of instruments are used.And ......talked about what sounds familiar ,what sounds strange.And many of you find some of......listen to very strange western music and I'm going to start ancient......

2)But now,here's the parts of difference.We are now talking very much about the actual music .Instead,we are going to talk about what Grees believed about music.There are some good reasons to ......this way.First,we don't have much ancient Greek music study.Only about 45 pieces survive.This mostly records ......And we are not sure how and where we can produce......Because they were appatently ......many cases.

3)So we really don't know......about what musics sound like.What do we know about and this really is important reason ......approaching...... is the great phylosophy  about music and is continuing influence western attitudes toward music.Now,if we were going to understand the phylosophy,we have the first understand of the music......was much more about entertainment .

4)Today,we're going to look at the important area of science namely ......technology.So what is it?......means tiny.So it's science and engineering ......The idea raised by controlling and ......atoms...... created anything .However ,as we see,the science ......small has some big complications affecting many ways.

5)......science books and movies have raised people's fear about...... technology.With ......such as in 13 little ......monitor everything you do without realizing it or ......that......take over the world.So how do we safeguard such potentially powerful technology.