三维设计2014届高考英语二轮专项知识复习精品课件阅读理解系列之体育类

体育类阅读理解,精读语篇(2012全国卷阅读理解B),You may think that sailing is a difficult sport, but it is really not hard to learn it.You do not need to be strong.But you need to be quick.And you need to understand a few basic rules about the wind.,超链接,First, you must ask yourself, “Where is the wind coming from? Is it coming from ahead or behind or from the side？” You must think about this all the time on the boat.The wind direction tells you what to do with the sail. Lets start with the wind blowing from behind.This means the wind and the boat are going in the same direction.Then you must always keep the sail outside the boat.It should be at a 90 angle (角度) to the boat.Then it will catch the wind best.,If the wind is blowing from the side, it is blowing across the boat.In this case, you must keep the sail half way outside the boat.It should be at a 45 angle to the boat.It needs to be out far enough to catch the wind, but it shouldnt flap (摆动)It shouldnt look like a flag on a flagpole.If it is flapping, it is probably out too far, and the boat will slow down. Sailing into the wind is not possible.If you try, the sail will flap and the boat will stop.You may want to go in that direction.It is possible, but you cant go in a straight line.You must go first in one direction and then in another.This is called tacking.When you are tacking, you must always keep the sail inside the boat.,功能一、听 先浏览题目然后带着问题听录音 1You need to be _ if you want to learn to sail. Afat Bstrong Cquick 2_ tells you what to do with the sail. AThe coach BThe wind direction CThe sea 3When the wind blows from t