七年级英语下册_Unit_5_Why_do_you_like_pandas_Section_B_1课件_(2012新版)人教新目标版2.ppt

1. We are students from Thailand, and we want to save the elephants. 我们是来自泰国的学生，我们想要拯救大象。 ?from 介词，意为“来自......”,from Thailand 作students的后置定语。 eg. He is a writer from Hunan. ?save此处用作及物动词，意为“救，救助” save ones life 意为“挽救某人的生命” eg. He saved the boys life. ※save 还可意为“储存；节约” save money save water 4. Elephants can walk for a long time and never get lost. 大象能够长时间行走而且从不迷路。 ? for a long time 意为“很长时间”。介词for后接时间段，表示动作或状态持续一段时间。 ? lost 此处用作形容词，意为“迷路的，丢失的”。常与连系动词get或be构成短语，即 get lost = be lost 迷路；丢失 eg. The little girl can’t find her home. She gets lost. 小女孩找不到家了，她迷路了。 5. They can also remember places with food and water. 它们也能记住有食物和水的地方。 ? place 地点；位置 eg. Thailand is a good place to go sightseeing. ? with food and water 在句中作定语，其中with是介词，意为“具有，带有”。 eg. He has a house with a garden. water 水（不可数名词） 6. But elephants are in great danger. 但是大象正处于极大的危险之中。 danger 此处用作不可数名词，意为“危险” be in (great) danger 处于（极大）危险之中；面临极大的危险 eg. The old man is in great danger. 7. People cut down many trees so elephants are losing their homes. 人们砍倒了许多树，因此，大象正渐渐失去它们的家园。 ? cut 动词，意为“砍，切” cut down 砍倒 eg. Don’t cut down trees. 不要砍伐树木。 ? lose ones home(s) 失去某人的家园 In Wenchuan earthquake, a lot of people lost their homes. 8. Today there are only about 3,000 elephants (over 100,000 before). 现在仅有大约3000头大象（之前超过10万头） ?over此处用作介词，意为“超过，多于” eg. There are over thirty students in our class. ?over 作介词，还可以表示“在......上方”。 eg. There is a bridge over the river. ?over作副词，表示“完了，结束” eg. Class is over. ※ hundred 百 thousand 千 (英语中没有单独的词汇表达“万”的概念，必须通过“thousand”转换表述。) 100,000 读作：one hundred thousand 9.We must save the trees and not buy things made of ivory. 我们必须拯救树木，拒买象牙制品。 be made of 由......制成（从制成品能看出原材料） be made from 由......制成（从制成品看不出原材料） eg. The kite paper. eg. These books wood. Unit 5 Why do you like pandas? Section B Period 2 (2a- 2c) I like … because … Des