英语课件高二英语课件：高二英语I_have_a_dream

1、Language pointsUnit 13Fill in the blanks Seen from the space , the earth is an _planet. Water is very important to life. It is said that life on the planet began in the _. Marine life is _ rich. Life in the oceans _ from the tiniest_ _ _ up to giants like _ and _ . The water molecule _ _ _ _ two hyd

2、rogen atoms and one oxygen atom . Water exists in three states. It has a relatively high _ point. Salt water has a _ freezing point and is_ than fresh water. There are many _of marine life. There is life even on the _ of the deepest oceans. The creatures on the ocean floor manage to survive without

3、_ and get _ from other sources oceanoceansincrediblyrangesall the way sharkswhalesis made up of freezinglowerheavierspeciesbottomsunlightenergyDifficult and important sentences:1. Life in the oceans ranges from the tiniest plankton all the way up to giants like sharks and whales.2. The chemical stru

4、cture of water makes it an excellent medium for life.3.The chemical structure of water also makes it different from almost everything else on earth.a surrounding environmentrange fromto或或 range between and“在在和和之间变化之间变化”Their ages range from 12 to 25.The temperature ranges between 30 and 40 degrees c

5、entigrade.4. The way the water molecule is formed gives water its unique properties.5. The nutrients in whatever falls into the ocean quickly become available to other living creatures.6. Even though the pure water is what gives sea water its main properties,unique 唯一的唯一的,仅有的；独特的，无双的仅有的；独特的，无双的a uni

6、que work of art a unique opportunityThat building is unique because all the others like it were destroyed.7.Density is measured in kilograms per cubic meter.8. If it did not, the oceans would be frozen solid.9. The water in the ocean also keeps the temperature of the earth steady by absorbing and gi

7、ving off heat.When I opened the door, I found my father sitting in his chair, completely _ a magazines.A. absorbing in B. absorbed inC. absorbing to D. absorbed togive off 散发，放出（散发，放出（a liquid, gas, smoke or smell)give out 1. 发出声、光、热、信号发出声、光、热、信号 2.分发报纸分发报纸,书本等书本等 3.筋疲力尽筋疲力尽give away 泄露，分发泄露，分发take

8、measures to do B10. Isnt it amazing that a single substance can be so important to our planet and even the whole universe?11. , say 5,000 kg/m3, it will not float on water.假定说假定说, 比方说比方说12.Who benefits from using water in this way?benefit 1) vt. “对对有利有利”,2) vi. “获益获益, 得益于得益于”,后面可接后面可接from/ byEye exe

9、rcise benefit our healthWe benefit by/ from daily exercises3) n.利益利益, 实惠实惠(不可数不可数);优越性优越性;保险金保险金;义演义演for the benefit of 为了为了的利益的利益 be of benefit to sb. 对对有好处有好处Was _ that I saw last night at the concert? (上海上海1999)it you B. not you C. you D. that yourself2. Why! I have nothing to confess. _ you want

10、 me to say?A. What is it that B. What it is thatC. How is it that D. How it is that全真高考题选做全真高考题选做AA3. What surprised me was not what he said but_ he said it.A. the way B. in the way thatC. in the way D. the way which4. News reports say peace talks between the two countries have _ with no agreement reached.broken down B. broken out1.C. broken in D. broken upAA5. The elderly need special care in winter, as they are_ to the sudden