《大学英语教程》课程教材配套电子教案（PPT教学课件，北大版）第三册 第一单元

大学英语教程 (北大版，第三册) TEXT Unit 1

大学英语教程 (北大版,第三册) TEXT Unit 1

Objectives By the end of the unit,students will be better able to ·talk and write about environmental pollution and protection; use about 20 new words and 5 new phrases in brief conversation,translation and preliminary writing task; use“where”and“when'clause, read materials of similar topics and degree of difficulty; use relevant ideas to support a topic sentence PART I PART II PART IIIWRITING

Objectives • read materials of similar topics and degree of difficulty; • use relevant ideas to support a topic sentence • talk and write about environmental pollution and protection; • use about 20 new words and 5 new phrases in brief conversation, translation and preliminary writing task; • use “where” and “when” clause; By the end of the unit, students will be better able to

Part I Language Skill Part II Text A Discussion Part III' Text B Treatment Writing Awareness

Part I Language Skill Part II Text A Discussion Part III Text B Treatment Writing Awareness

Part I Language Skill ·Key Words Made Easy Key Expressions in Use Communicative Practice √Tuning In v Listening comprehension √Speaking Task PART IIPART III WRITING

Part I Language Skill • Key Words Made Easy • Key Expressions in Use • Communicative Practice ✓Tuning In ✓Listening comprehension ✓Speaking Task

Key Words Made Easy W·surroundings n.环境 environment d·variety n.种类 a number of varied things ④·disturb v打扰 to trouble or destroy the tranquility W·pest n.有害的动物或昆虫 an injurious animal or plant harmful to humans W·wither y调谢 to dry up from loss of moisture PART I PART II PART IIIWRITING

environment a number of varied things to trouble or destroy the tranquility an injurious animal or plant harmful to humans to dry up from loss of moisture Key Words Made Easy • surroundings • variety • disturb • pest • wither n. 环境 n. 种类 v. 打扰 n. 有害的动物或昆虫 v. 凋谢

f·creep v潜行 to move cautiously or stealthily ④·migrant n.移居的人或动物 one that moves from one region to another ④·misfortune n.不幸 ill luck;bad fortune ④·specter n.幽灵 a phantom;ghost ④·：prosperous a.兴旺的 flourishing PART I PART II PART III WRITING

to move cautiously or stealthily one that moves from one region to another ill luck; bad fortune a phantom; ghost flourishing • creep • migrant • misfortune • specter • prosperous v. 潜行 n. 移居的人或动物 n. 不幸 n. 幽灵 a. 兴旺的

.I have moved to the countryside and I feel quite at home in the new surroundings. Q:How does the speaker feel in the new surroundings in the countryside? A:He feels quite at home in the new surroundings. At the back of my cottage,many kinds of wildflowers were in full bloom,a variery of which I couldn't name. Q:Could the speaker name all the flowers blooming at the back of his cottage? A:No.He couldn't name a variety of them. PART I PART II PART IIIWRITING

• I have moved to the countryside and I feel quite at home in the new . Q:How does the speaker feel in the new surroundings in the countryside? A: He feels quite at home in the new surroundings. • At the back of my cottage, many kinds of wildflowers were in full bloom, a of which I couldn’t name. Q: Could the speaker name all the flowers blooming at the back of his cottage? A: No. He couldn’t name a variety of them. surroundings variety

John enjoyed a peaceful life in the countryside in his retirement and he didn't want it to be disturbed. Q:Did John enjoy his life in the countryside? A:Yes.It's quite peaceful and he didn't want it to be disturbed. In the countryside stores of grain are frequently attacked by pests especially rats. Q:What often happens to stores of grain in the countryside? A:They are frequently attacked by pests,especially rats. PARTI PART II PART III WRITING

• John enjoyed a peaceful life in the countryside in his retirement and he didn’t want it to be . Q: Did John enjoy his life in the countryside? A: Yes. It’s quite peaceful and he didn’t want it to be disturbed. • In the countryside stores of grain are frequently attacked by pests especially rats. Q: What often happens to stores of grain in the countryside? A: They are frequently attacked by pests, especially rats. pests disturbed

.Human love is often compared to a rose for like the flower, it blossoms and it withers. Q:What is the similarity between a rose and human love according to the speaker? A:Both of them blossom and wither. .Many people think that to be close to nature is a romantic thing;but how about finding a snake creeping into your tent at midnight? Q:What might happen at midnight when you are camping somewhere close to nature? A:A snake might creep into your tent. PART I PART II PART IIIWRITING

• Human love is often compared to a rose for like the flower, it blossoms and it . Q: What is the similarity between a rose and human love according to the speaker? A: Both of them blossom and wither. • Many people think that to be close to nature is a romantic thing; but how about finding a snake into your tent at midnight? Q: What might happen at midnight when you are camping somewhere close to nature? A: A snake might creep into your tent. withers creeping

.When they became fed up with the routine life in the small town,they moved to another place.They became migrants Q:What did they choose to do when became fed up with the life in the small town? A:They migrated to another place. .People need religious faith to carry on life when one misfortune after another befalls them. Q:When do we need religious faith? A:Maybe when we are struck by one misfortune after another. PART I PART II PART III WRITING

• When they became fed up with the routine life in the small town, they moved to another place. They became . Q: What did they choose to do when became fed up with the life in the small town? A: They migrated to another place. • People need religious faith to carry on life when one misfortune after another befalls them. Q: When do we need religious faith? A: Maybe when we are struck by one misfortune after another. migrants misfortune