国产日韩精品欧美一区喷,大又大粗又爽又黄少妇毛片男同 ,另类色综合,在线免费不卡视频,国产精品V日韩精品,伊人久综合,在线无码va中文字幕无码,欧美有码在线观看

UNIT 16 SCIENTISTS AT WORK

發(fā)布時間:2017-11-13 編輯:互聯(lián)網(wǎng) 手機版

Lesson 1

--------warming up, listening and speaking

Step1.Warming up

Ask the students to look at the four photos in the book and describe what they see.

Photo 1 shows students at work in a chemistry lab.

Photo 2 shows an English book called Hamlet, a dictionary and a notebook.

Photo 3 shows two students doing an experiment.

Photo 4 shows students looking at something through a microscope.

Step2. Listening

From the four photos we know that we often do some experiments at school. But do you know how to behave in a science lab? Now let’s listen to a dialogue. It will tell us what to do and what not to do.

Listen for the first time and do Ex1.

Then check the answers with the class.

Listen for the second time and do Ex2.

Listen again,let the students check their answers.

Then check the answers with the class.

At last,listen again and let the students find out the sentences which contain the answers.

Step3.Speaking

Now let’s talk about the great work of scientists,a high-speed maglev train.

Read the dialogue and talk about ther advantages and disadvantages of it, using the useful expressions in the column.

Then listen to the dialogue and pay attention to the pronunciation,stress and intonation.

At last, explain some language points.

1.a waste of

It’s a waste of money/time.

2.mean to do sth

mean doing sth

3.make a noise

4.make use of

make good/full/little use of

Homework;

Read rhe dialogue

Grasp the language points

Lesson 2

------Reading

Step 1. Revision

Step 2. Pre-Reading

Do you know the names of some famous scientists? Do you know Benjamin Franklin? And what is he famous for? Today we will read about him.

Step 3. General reading

Read the passage to get the main idea of it. Then do Ex1 on page 25.

Step 4. Fast-reading

Read the passage again and do the following exercise.

1. Scientists knew what electricity is for the 1st time______.

A. in June 1752

B. before 1752

C. after 1752

D. in the 19thcentury

答案:A

2. Which of the following is in the correct order?

a. The experiment proves that lightning and electricity are the same.

b. The kite flew high in the rainy shy.

c. He made a silk kite.

d. Very sharp piece of metal was fixed.

e. A key was fastened to the end of the string.

f. A ribbon was tied to the string.

A. d, e, f, c, b, a

B. c, d, e, f, b, a

C. d, c, e, f, a, b

D. c, d, e, f, a, b

答案:D

3.Franklin made the kite of silk because______.

A. wet silk does not conduct electricity

B. silk kite flies high

C. silk kite will last longer in weather with rain and strong winds

D. silk kite is cheaper

答案:C

4.Text 2 is meant for ______.

A. experts

B. scientists

C. common readers

D. officials

答案:C

5.Which is not stated but can be inferred from Text1 ?

A. Franklin did the experiment with the kite.

B. Franklin’s experiment with electricity was dangerous.

C. Franklin failed the experiment again.

D. The experiment was conducted in bad weather.

答案:B

Step 5. Listening

Listen to the tape of the passage and pay attention to the pronunciation and intonation.

Step 6. Language points

1. experiment: n.

do an experiment

make an experiment

perform an experiment

conduct an experiment

carry out an experiment

2. conduct: vt.

He conducted me around the museum.

He conducted the orchestra.

The manager conducted his business carefully.

3. charge:

vt.

(1)使….充滿

He’s charging a battery.

(2)索價,收費

He charged us 10 dollars for mending this pair of shoes.

n.

in charge 主管

in charge of 負責

in the charge of 由….負責

4. prove:

vt. 證明,證實

The facts prove that he is honest.

He has proved his courage in the battle.

He proved himself to be a true man.

系動詞: 證明是….

The way proved to be useful.

He proved a successful manager.

5. take care to do

take care that 從句

Take care not to fall into the river.

Take care that you don’t get run over when crossing the street.

Homework:

Read the text.

Lesson 3

--------language study

Step 1. Revision

Review some language points.

Step 2. Word study

Let the Ss do it by themselves.

Then check the answers with the class.

Step 3. Grammar

First ask the Ss to look at the examples.

Then let them do the exercise.

Then check the answers.

Step 4. Practice

First do Ex1 on Page90 of the workbook.

Then Ex2.

At last Ex1 and 2 on Page91.

Homework:

Review what we have learned this class.

Lesson 4

-------Reading and writing

Step 1. Revision

Step 2. Lead-in

We have learned something about science experiments, but have you known about animal experiments? Are you for them or against them?

Today we will read “Animal Experiments”.

Step 3. Reading

Read the passage quietly and carefully to do the following exercise.

1. Which of the following is true ?

A. Every year 2.5 million animal die in experiments.

B. Animals are only used to test new medicines.

C. Scientists say animal testing does not work.

D. Almost all the medicines people use have been tested on animal.

答案:D

2. Animal right activists are _______.

A. doctors

B. people who defend animal rights

C. officials

D. scientists

答案:D

3. What’s a painkiller ?

A. 殺手

B. 安慰劑

C. 止痛劑

D. 救心丸

答案:C

4. Text 2 is mainly about _______.

A. divergence () on animal experiments

B. the results of animal experiments

C. the process of animal experiments

D. loss of animal experiments

答案:A

5. What’s the writer’s attitude towards animal testing in Text 2 ?

A. Neutral.

B. Supportive.

C. Indifferent.

D. Against.

答案:A

Step 4. Listening

Step 5. Language points

a) be used to do sth.

Used to do sth

Be/get used to doing sth

b) allow vt.

Allow doing sth.

Allow sb to do sth.

We don’t allow smoking here.

We allow him to enter the house.

c) doubt

vt

I doubt if/whether he’ll succeed.

I don’t doubt that he’ll be successful.

Do you doubt that he’ll be doubt?

n. 后接同位語從句

There is no doubt that he’ll be doubt.

Is there any doubt that he’ll be doubt?

I have some doubts whether he’ll be successful.

d) make clear 說明白,說清楚

You’d better make your meaning clear on this matter.

Step 6. Writing

Write a passage about what to do with animal experiments in the future and why.

Homework:

Finish writing.

主站蜘蛛池模板: 国产免费人成视频网| 国产呦精品一区二区三区下载 | 26uuu国产精品视频| 国产人人乐人人爱| 久久国产精品波多野结衣| 亚洲乱码视频| 91久久国产热精品免费| 国产精品思思热在线| 18黑白丝水手服自慰喷水网站| 超碰91免费人妻| 99久久精品免费看国产电影| 国产黑丝一区| 亚洲日本精品一区二区| 亚洲成a人片| 中国一级特黄大片在线观看| 国产aaaaa一级毛片| 久久精品无码专区免费| 午夜综合网| 日本影院一区| 亚洲成人网在线观看| 国产在线专区| 在线va视频| 国产91九色在线播放| 久久精品人人做人人综合试看 | 伊人久久婷婷五月综合97色| 亚洲成人免费在线| 国产成人亚洲综合A∨在线播放| 日本一区高清| 精品国产免费第一区二区三区日韩| 丝袜无码一区二区三区| 婷婷六月色| 又黄又爽视频好爽视频| 99精品这里只有精品高清视频| 国产精品亚洲欧美日韩久久| 免费高清毛片| 日韩精品一区二区三区免费在线观看| 国产国产人成免费视频77777| 国产精品尤物铁牛tv| 伊人成人在线| 中文字幕永久在线看| 婷婷六月综合| 毛片基地视频| 台湾AV国片精品女同性| 国产日本欧美亚洲精品视| 免费无码AV片在线观看国产| 风韵丰满熟妇啪啪区老熟熟女| 久久精品娱乐亚洲领先| 女人18毛片一级毛片在线 | 在线另类稀缺国产呦| 久热中文字幕在线| 国产精品网拍在线| 国产精品爆乳99久久| 久久精品国产在热久久2019| 亚洲国产一区在线观看| 色偷偷一区| 久热99这里只有精品视频6| 欧美亚洲国产精品第一页| 国产在线八区| 国产高清无码第一十页在线观看| 国产欧美在线观看一区| 性色在线视频精品| 97在线观看视频免费| 久久久久亚洲精品成人网| 1769国产精品视频免费观看| 日韩免费成人| 久久先锋资源| 91区国产福利在线观看午夜| 91亚洲国产视频| 综合色88| 亚洲日本中文字幕乱码中文 | av大片在线无码免费| 亚洲天堂在线免费| 中文字幕在线不卡视频| 亚洲区一区| 精品国产成人高清在线| 人妻21p大胆| 成人亚洲国产| 99精品视频在线观看免费播放| 国产白浆一区二区三区视频在线| 国产精品九九视频| 日本AⅤ精品一区二区三区日| 国产毛片片精品天天看视频|