Unit1大学英语基础教程2课件
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your book? 5. After the exam, you should at least check the test paper. 6. The life of this family depends on the father’s income. 7. After the asteroid hit the earth, some small mammals survived. 8. Teenagers under 18 years old are not allowed to enter the net bar.
来。 8. 未满18岁的青少年不允许进入网吧。
B From English to Chinese
1. With the force of 100,000 hydrogen bombs, the asteroid caused a deadly winter that killed all the dinosaurs.
B 1. 这颗小行星的撞击产生了相当于十万颗氢弹的冲击力，造成
了毁灭恐龙的严寒冬天。
2. 英国一所大学的科学家们认为,流星碰撞地球引起的灰尘可能 造成了地球上至少三个月暗无天日。
3. 如今，科学家们确信小行星非常巨大，它有可能阻挡了射向 地球的太阳光，并引起了酸雨性的暴风雨和地震； 这些地震跟 我们在过去100年里经历的最厉害的地震相比还要强烈1000倍。
4. Most were no bigger than a rat and could hibernate during the worst days of the disaster, just as many smaller mammals such as squirrels still do nowadays.
natural difficulties?
Understand the Specifics
Read the following sentences and tell if they are true or false according to the text. In the brackets leading each statement, put “T” for true or “F” for false.
4. 许多还没有老鼠那么大； 正如今天许多像松鼠这样的小哺乳 动物可以冬眠一样，它们能在灾难中最恶劣的天气里冬眠。
5. 正是由于恐龙从地球上消失的缘故，大型哺乳动物才出现在 地球上，从而最终导致哺乳动物中最具统治地位的人类的出现。
Text B
READING COMPREHENSION Read the following statements carefully, and decide whether they
evidence experience allow constantly create survive dominant disappearance destroy pollution
EXPRESSIONS IN CONTEXT
Study the following expressions and see how they are used in sentences.
3. ( ) According to the text, all life was destroyed by the asteroid. 4. ( ) From the text we can guess that “devastating” means causing
destruction or death.
3. Now scientists are sure that the asteroid was so big that it would have stopped all sunlight reaching the earth and created storms of acid rain as well as earthquakes which would have been one thousand times stronger than the biggest earthquakes we have experienced in the past 100 years!
1. Do you love animals and what is your favorite one? 2. Have you heard of the Chinese dragon and what is the
difference between a dragon and a dinosaur? 3. What can you imagine when dinosaurs were faced with
attract one’s attention 吸引某人的注意力
The death of dinosaurs attracted some scientists’ attention.
agree on 同意，达成一致
Now, scientists seem to agree on the reason for the disappearance of the dinosaurs.
as well as 和， 既……也
When the asteroid hit the earth, it caused acid rain as well as earthquakes.
along with 连同, 和……一道
Along with the end of the dinosaurs, many larger animals also died.
1. ( ) There are four theories for the disappearance of dinosaurs mentioned in the first two paragraphs.
2. ( ) The dinosaurs died out because of a disease caused by the asteroid.
7. ( ) Mankind is lucky enough because we did not stay at the same time as the dinosaurs.
8. ( ) Using the information from the text, we can infer that if a similar asteroid hit the earth now, dogs and horses would be able to survive.
Unit 1
Objectives
1. talk about some animals and the relationship between environment and creatures;
2. use about 30 new words and 8 new phrases and expressions in brief conversations and translation;
2. Scientists at a British university say there would have been enough dust caused by the mete-or hitting earth to cause at least three months of complete darkness.
5. ( ) There were many effects caused by the asteroid that hit the earth, including earthquakes, acid rain, darkness and flooding.
6. ( ) The fact that a thin layer of iridium can be found over the whole surface of the earth suggests that our planet was hit by an asteroid, because iridium is rare on earth and commonly found in asteroids.
Part One
WORDS LEARNED IN DISPLAY Write the meaning of each of the following words or phrases in the correspondent blank. You can write either in English or in Chinese.
Key
1. The reason of dinosaurs’ disappearance attracts many scientists’ attention.
2. He seems to agree on my suggestion. 3. The weather was so hot that we had to stop our class. 4. Are you sure that the student who wears a pair of glasses borrowed
3. review grammar on the attributive clause: 1) the attributive clause with relative pronoun; 2) relative pronoun with preposition;
4. read material on a similar topic and with a similar degree of difficulty.
Key to Understand the Specifics
1. T 2. F 3. F 4. T 5. F 6. T 7. T 8. F
பைடு நூலகம்
Translation
A From Chinese to English
1. 恐龙消失的原因引起了许多科学家的注意。 2. 他似乎同意我的建议。 3. 天气如此炎热以致我们不得不停课。 4. 你肯定那个戴眼镜的学生借了你的书吗？ 5. 考试结束后，你至少应该检查一下试卷。 6. 这家的生活都依赖父亲的收入。 7. 小行星碰撞地球后，有些小型的哺乳动物活了下
lead to 导致
The end of dinosaurs led to the appearance of human beings.
Part Two
Text A PREVIEW QUESTIONS
Work in pairs or groups and discuss the following questions.
5. It is only since the disappearance of the dinosaurs that larger mammals have appeared on earth, leading eventually to the appearance of the most dominant of all mammals—man!
at least 至少
If we fail in this task, we can at least get some experience. block out 遮挡
Black clouds blocked out the sunlight.
depend on 依赖，依靠
Dinosaurs had to depend on constantly eating food to live.
are true (T) or false (F) according to the text.
来。 8. 未满18岁的青少年不允许进入网吧。
B From English to Chinese
1. With the force of 100,000 hydrogen bombs, the asteroid caused a deadly winter that killed all the dinosaurs.
B 1. 这颗小行星的撞击产生了相当于十万颗氢弹的冲击力，造成
了毁灭恐龙的严寒冬天。
2. 英国一所大学的科学家们认为,流星碰撞地球引起的灰尘可能 造成了地球上至少三个月暗无天日。
3. 如今，科学家们确信小行星非常巨大，它有可能阻挡了射向 地球的太阳光，并引起了酸雨性的暴风雨和地震； 这些地震跟 我们在过去100年里经历的最厉害的地震相比还要强烈1000倍。
4. Most were no bigger than a rat and could hibernate during the worst days of the disaster, just as many smaller mammals such as squirrels still do nowadays.
natural difficulties?
Understand the Specifics
Read the following sentences and tell if they are true or false according to the text. In the brackets leading each statement, put “T” for true or “F” for false.
4. 许多还没有老鼠那么大； 正如今天许多像松鼠这样的小哺乳 动物可以冬眠一样，它们能在灾难中最恶劣的天气里冬眠。
5. 正是由于恐龙从地球上消失的缘故，大型哺乳动物才出现在 地球上，从而最终导致哺乳动物中最具统治地位的人类的出现。
Text B
READING COMPREHENSION Read the following statements carefully, and decide whether they
evidence experience allow constantly create survive dominant disappearance destroy pollution
EXPRESSIONS IN CONTEXT
Study the following expressions and see how they are used in sentences.
3. ( ) According to the text, all life was destroyed by the asteroid. 4. ( ) From the text we can guess that “devastating” means causing
destruction or death.
3. Now scientists are sure that the asteroid was so big that it would have stopped all sunlight reaching the earth and created storms of acid rain as well as earthquakes which would have been one thousand times stronger than the biggest earthquakes we have experienced in the past 100 years!
1. Do you love animals and what is your favorite one? 2. Have you heard of the Chinese dragon and what is the
difference between a dragon and a dinosaur? 3. What can you imagine when dinosaurs were faced with
attract one’s attention 吸引某人的注意力
The death of dinosaurs attracted some scientists’ attention.
agree on 同意，达成一致
Now, scientists seem to agree on the reason for the disappearance of the dinosaurs.
as well as 和， 既……也
When the asteroid hit the earth, it caused acid rain as well as earthquakes.
along with 连同, 和……一道
Along with the end of the dinosaurs, many larger animals also died.
1. ( ) There are four theories for the disappearance of dinosaurs mentioned in the first two paragraphs.
2. ( ) The dinosaurs died out because of a disease caused by the asteroid.
7. ( ) Mankind is lucky enough because we did not stay at the same time as the dinosaurs.
8. ( ) Using the information from the text, we can infer that if a similar asteroid hit the earth now, dogs and horses would be able to survive.
Unit 1
Objectives
1. talk about some animals and the relationship between environment and creatures;
2. use about 30 new words and 8 new phrases and expressions in brief conversations and translation;
2. Scientists at a British university say there would have been enough dust caused by the mete-or hitting earth to cause at least three months of complete darkness.
5. ( ) There were many effects caused by the asteroid that hit the earth, including earthquakes, acid rain, darkness and flooding.
6. ( ) The fact that a thin layer of iridium can be found over the whole surface of the earth suggests that our planet was hit by an asteroid, because iridium is rare on earth and commonly found in asteroids.
Part One
WORDS LEARNED IN DISPLAY Write the meaning of each of the following words or phrases in the correspondent blank. You can write either in English or in Chinese.
Key
1. The reason of dinosaurs’ disappearance attracts many scientists’ attention.
2. He seems to agree on my suggestion. 3. The weather was so hot that we had to stop our class. 4. Are you sure that the student who wears a pair of glasses borrowed
3. review grammar on the attributive clause: 1) the attributive clause with relative pronoun; 2) relative pronoun with preposition;
4. read material on a similar topic and with a similar degree of difficulty.
Key to Understand the Specifics
1. T 2. F 3. F 4. T 5. F 6. T 7. T 8. F
பைடு நூலகம்
Translation
A From Chinese to English
1. 恐龙消失的原因引起了许多科学家的注意。 2. 他似乎同意我的建议。 3. 天气如此炎热以致我们不得不停课。 4. 你肯定那个戴眼镜的学生借了你的书吗？ 5. 考试结束后，你至少应该检查一下试卷。 6. 这家的生活都依赖父亲的收入。 7. 小行星碰撞地球后，有些小型的哺乳动物活了下
lead to 导致
The end of dinosaurs led to the appearance of human beings.
Part Two
Text A PREVIEW QUESTIONS
Work in pairs or groups and discuss the following questions.
5. It is only since the disappearance of the dinosaurs that larger mammals have appeared on earth, leading eventually to the appearance of the most dominant of all mammals—man!
at least 至少
If we fail in this task, we can at least get some experience. block out 遮挡
Black clouds blocked out the sunlight.
depend on 依赖，依靠
Dinosaurs had to depend on constantly eating food to live.
are true (T) or false (F) according to the text.