人教版高中英语选修7Unit3UndertheSea教案3

1、探索尚未知道的东西nit 3 Under the seaWarming upHave you seen plants and animals that live under the sea? Where did you seethem?On a snorkeling tripAt an aquariumOn a boat tourIn booksIn filmsOn TM nature programmesOn the internet一些海底的其他动物海星珊瑚coral水母海豚海鸥海龟jellyfish海豹sealNew wordswitnessv.目击，做证n.目击者，证人，证词pack打

2、包，收拾行李flee逃跑，消失abandon 遗弃，抛弃annual 每年的Reading1. I thought , at the time, that this was just a story but then I witnessed it with my own eyes many times.at the time那时候”，位置应在story之后，作时间状语，提前是为了强调，that thiswas just a story 作thought 的宾语。2. On the afternoon I arrived at the station, as I was sorting out

3、my accommodation, I heard a huge noise coming from the bay.在我到达捕鲸场的那个下午，正当我准备膳宿时，我听到一声巨响从海湾传来。as, when 和while1) as强调主从句中谓语动词所表示的动作同时发生。从句表示“随时间推移"连词能用as, 不用 when 或while。As the day went on, the weather got worse.日子一天天过去，天气越变越坏。2) when可表示瞬间、时间段，主从句动作同时发生，也可以先后发生。当从句的 动作发生于主句动作之前，只能用 when引导这个从句，不可

4、用as或while。When you have finished your work, you may have a rest.3) as, when引导短暂性动作的动词。Just as / Just when / When I stopped my car, a man came up to me.4) while用于同时进行的两个延续性动作相伴发生，常对同类动作进行对比。accommodation1) rooms, esp, for living in 房间，住所2) lodgings, rooms and food 膳宿 (常用复数)accommodate v.适应，调节accommod

5、ating adj. 亲切的，易打交道的accommodator n.调节者5. We ran down to the shore in time to see an enormous animal throwing itselfout of the water and then crashing down again.我们及时赶至U岸边，看至1J个庞大的动物猛力跃出水面，然后又坠落到水面。与throw相关的短语：throw cold water on 泼冷水throw off抛弃，摆脱throw over回棋，变换throw away浪费,拒绝throw down打倒，推翻throw up呕

6、吐与out of相关的短语：out of breath 上气不接下气out of date 过时的out of control 失控out of question 可能的out of the question 不可能的out of repair 失修6. Another whaler yelled out,This was the call that announced there was aboutto be a whale hunt.yell v.& n.1）叫喊She yelled with surprise when she saw the present.2）叫声，3） 喊声

7、The crowd let out a yell of delight.辨析：be going to, be to do 和 be about tobe going to表示打算或计划做某事或根据某种迹象判断将要发生的事。be to表示预先安排好的计划或约定。be about to表示即将发生的动作，意为 正要，即将"，不也具体的表将来时间 的副词或副词性短语连用，但可以与 as或when引导的时间状语连用。I was just about road a ship came to us.A. traveling on; whileB. to travel on; whileC. tr

8、aveling by; whenD. to travel by; when7. Come on, Clancy. To the boat : George said as he ran ahead of e on1）表示劝说，不耐烦，催促Come on, we 1l be late for concert.2）开始The rain has just come on.与come相关的短语：come about 发生come across 偶然遇见come forth 出来，涌现come out 出版，（花）开come through （电话）接通come up 走近，上升come t

9、o 总计come up with 赶上， 补充6. I looked down into the water and could see Old Tom swimming by the boat, showing us the way.我低头朝水中看去，看到老汤姆正在船边游着，为我们引路。swimming by the boat 在句中作宾语补足语，与宾语Old Tom 存在逻辑上的主谓 头系。I saw Jack crossing the street.我看见杰克正在穿过街道。7. A few minutes later, there was no Tom, so George starte

10、d beating the water with his oar and there was Tom, circling back to the boat, leading us to the hunt again.circling back to the boat; leading us to the hunt again是现在分词短语作状语。8. In the distance we could see that something was happening. As we drew closer, I could see a whale being attacked by a pack

11、of about six other killers.distance n.距离；远处v.保持距离，关系疏远或冷淡distant adj.遥远的distantly adv.遥远地与distance相关的短语：at/ from a distance 离一段距离；从远处at a respectful distance 敬而远之be out of distance 太远in the distance 在远处； 在远方within distance 在品E 离内9. Then the harpoon was ready and the man in the boat aimed it at the w

12、hale. He let it go and the harpoon hit the spot. Being badly wounded, the whale soon died. 辨析： wound, injury, hurt, harm 与damagewound是战斗中刀枪的创伤、伤口His brother was wounded in that battle .injury是平时的大小创伤和伤害He got serious injuries to the legs at work .He got his finger injured .hurt是指精神上的伤害和肉体的伤痛。The hur

13、t to his feelings is more serious than the hurt in his body .harm指使有生命或者无生命的东西不再完整、美丽，或者具有原来的价值。Smoking a lot of cigarettes can harm and even kill over a long period of time . damage车辆、船只、房屋”等的损坏。The bus was badly damaged when it hit the wall .This storm did great harm / damage to the crops .10. it

14、was difficult to handle the boat.划船很困难。这是一个it作形式主语的句子，真正的主语是不定式 to handle the boat。在以不 定式、动名词从句作主语的句子里，通常以it作形式主语，而把真正的主语后置以避 免头重脚轻。这样的句式通常有：to + v.It （形式主语）+v.+ that （主语）+ v.wh-等词（主语）+ v.forIt is + adj.+ sb. to do sth.ofseems （好像）It + appears （看上去）+ that （主语）+v.happens （碰巧）It is no use v. -ing做没有用It is said （reported） that 据说,据报道It is believed that 人们相信It is thought that 人们认为It has been proved that 事实证明It is well-known that 众所周知11. It took over h