九年

to build another house for himself. Eddie wants Hobo to build a house for him. Read and act out 1. What’s on your mind, Eddie? on one’s mind（有事）挂在心上；烦恼”。 1)别打扰他了。 他烦心事够多了。 Don’t bother him. He’s got

Tan Dun’s music: uses ______________ a lot builds a bridge___________ the sounds of nature between the East and the West Tan Dun in a worldfamous _________. He was born in 1958 _________ Hunnan. He

musicians make up music while playing e in the traditional style has strong local colour A3 Daniel is writing about the music show in his diary. Help him plete his diary with the information on page

as/since连接句子 1. I’m still alive. I must try to calm down. 2. Tan uses them a lot in his music. He likes the sounds of nature. 3. Let me go instead. You are tired. 4. You’ll be punished. You often

. Have they influenced his works? Sandy: Yes. He uses them a lot in his music, and in one of his works, Water, he doesn’t use any musical____________. Daniel: Really? How does he make music, then?

（三顾茅庐） He practiced even harder and got the coach to change his mind. ______ the coach ______________ made change his mind achieve v. achievement n. lead v. leader n. qualities supporting sentences

) b. Teachers ( ) c. Friends ( ) d. Travelling ( ) e. Books ( ) f. TV and films ( ) g. The inter Tick(√) three boxes that you think are the most important ways you learn about the world. Discuss and

段，在AB上作正方形 ABCD；取 AD的中点 E，连接 EB；延长 DA至 F，使 EF=EB；以线段 AF为边作正方形 AFGH。 点 H就是 AB的黄金分割点。 如下方法也可以得到黄金分割点。 为什么翩翩起舞的芭蕾舞演员要掂起脚尖 ? 为什么身材苗条的时装模特还要穿高跟鞋 ?为什么她们会给人感到和谐、平衡、舒适，美的感觉 ? 黄金身材比例 人与黄金分割 人体肚脐不但是黄金点美化身型 ，

之比等于相似比 想一想： 应用位似图形概念作图 下图为用橡皮筋放大图形的方法。 方法二： 应用位似图形概念作图 利用位似中心作图将△ ABC的三边缩小为原来的 1/2 P A C B 在△ ABC外任取一点 P 分别连接 PA、 PB、 PC 分别取 PA、 PB、 PC的中点 D、 E、 F 依次连接 D、 E、 F D E F 实际上△ ABC与△ DEF是位似图形，位似中心是点 P 小结

不如行动 E C B D A 方法 3:利用镜子 ∵ △ ＡＤＥ ∽ △ＡＢＣ ∴ ＝ ＡＥ ＤＥ ＡＣ ＢＣ 倍速课时学练 试金石 • 小敏测得 2m高的标杆在太阳光下的影长为，同时又测得一颗树的影长为 12m，请你计算出这棵树的高度。 争 先 赛 解：设树高 Xm ∴ ＝ 2 X 12 X=20 答：树高２０米 倍速课时学练 试金石 如图，在距离 AB 18米的地面上平放着一面镜子 E