证明:d×F的方向与同方向 xf= orsOn90°=om= I=×R,R:对O点的位矢 证明:R=OO+F ×R=0×O0+0×r ×O0=0 D×R=0×F

I. Teaching Objectives II. Leading -in III. Intensive Study IV. Structural analysis of the text V. Techniques Employed in the Writing VI. Further Discussion

Uint I. Basic listening Practice 1. Script M: Third World countries must improve their economies if they want to raise their W: But how can they do that when developed countries control world trade? Q: Which of the following is true?

unit 9 Here are the seasons to be jolly I. Basic listening practice the holidays people celebrate, Christmas, Easter, Mother's Day . which are the most important to you? M: Christmas and easter, because they mark events in Jesus Christ's life: his birth and

Uint 8 I. Basic listening practice M: Scentists claim the world population has 99.5% of the same DNA w: But this doesnt tell us there is no such thing as race Q: What is true of the dna of difference races? 2. Script w: With the advent of the genetic map we know where everything is, but do we know

Uint8 Ⅱ. Listening skills Listening for Rents or Charges 1. M: Look at this ad! \ One bedroom apartment, with kitchen and bathroom. \ It's close to our school, and the price is only $250 a month W: But I want an apartment at least $50 cheaper Q: What is the highest rent the woman is willing to pay? B)$200

Ⅱ. Listening skills 1. M: Will you love and keep him in sickness and in health, as long as you both shall live? Q: Who is the woman 2. W: Mike, wake upl It is time to go to school. Hurry up or you're going to be late M: Dont worry. I can sleep all day Did you forget today is Martin Luther King's

Uint I. Basic listening practice 1. Script M: Now we have satellite and high-powered microscope, it s easy to think we know everything about the world; but we still dont understand EI Nino W: Right. Scientists all over the world over are even uncertain about the cause of the warm Pacific current that brings storms or drought-the mysterious EI Nino

Uint I. Basic listening practice 1. Script w: Did you hear? Helen got modeling jib! Shes going to be sashaying down the catwalk M: Wow, thats great! All that walking practice really paid off. And foe once she wont be complaining about being so tall

#include int*pa(2F=(a(0],a[l]i printf(\这是一个指针数组初始化的程序例子!n\), printf(\请输入数组a的10个整数元素:mn”)