Chapter 3 Kinematics I: rectilinear motion Motion implies change, and it is change make life-and physics-visible and interesting. Kinematics is the theory about the description of motion. Physical theories are creations of the human intellect; they must be invented rather than discovered

Ⅱ. Listening skills Understanding Times and dates w: Oh, look at the clock It's 5: 15. I'll be late for Jennifer's birthday party! I was supposed to leave at 5 o'clock M: Don't worry! You still have some time. The clock is twenty minutes fast Q What time is it now?

Social welfare function W: Rn-R gives social utility W(u1, u2,. un ). W is strictly increasing is socially optimal if it solves max Wu(a1), u2(a2),., un(n) st>Tis>w Proposition 1.29. If is SO, it is PO. I Proposition 1. 30. Suppose that preferences are continuous, strictly monotonic, and strictly convex. Then, for any PO allocation x* with >>0,v i, there exist ai

(1)i(p, u) is zero homogeneous in p (2) substitution matrix: Dpi(p, u)<0 (3)symmetric cross-price effects: 23i(p 2=2z(p, u) (4) decreasing:=n≤0

Unit 9 Are Dreams as Vital as sleep? I Objective Unders tanding \Dreams ts movement Aware some famous theories of dreams I Time arrangement Text:2 hour o Discussion: 0.5 hour Ⅲ Related Information History of Dreams

II. Listening Skills Listening to People talk about health 1. M: I haven't been to see my doctor for a very long time. I'm worried that he'll be angry with me for not having a physical examination for so long w: Which is more important, the doctors feelings or your health? Youd better go if you want to make sure everything is all right with you. It seems that the man worries more about the doctor's feelings than his own healtl

Theoretically speaking, the early-airport arrivals should be rewarded while the late airport ones should be punished. But this usually isnt the case. And there are such people who pay off their taxi only just before boarding, but still get their luggage first when landing. To my great embarrassment, early as I arrived, I

Uint10 I. Basic listening Practice 1. Script W: Many Chinese students are too shy to say anything in a classroom M: I think they dont speak because their culture values modesty, and they dont want to appear to be showing off. Goes back to Confucius

Unit 1 Book Three Unit One Section A The Expensive Fantasy of lord williams I Greetings I Review. 1. Key words section A: survival, sorrow, ancient, endure, channel, invade, surrender, historic, cast crash, commuter, suburb, resolution, exhaust, rescue, wreckage, decent section B: innocent, drift, mere, explode, expose, sector, layout, sway, uneasy, heal glimpse, flesh, heir

外研版（三起）（2012）小学英语三年级下册Module 9 Unit 1 I've got a new book.教案(5)