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2022年高中英語《Unit2 Cloning 》導(dǎo)學(xué)案（二）新人教版選修8
一、導(dǎo)案
1．______________ 得到好結(jié)果；取得成功；償清 2．___________ 沮喪；不愉快
3．______________ 反對(duì) 4．____________ 贊成；支持
5．______________ 把……歸功于… 6．____________ 一定或注定(做)……
7．______________ 使……刻骨銘心 8．______________ 不時(shí)；偶爾
9．____
2、__________ 使復(fù)生；使復(fù)活 10．_____________白費(fèi)力氣；枉費(fèi)心機(jī)
11．_____________ 狀況很好/壞；情況很好/壞
二、課內(nèi)探究學(xué)案
探究一、Get the Ss to look at the pictures and the title of the reading passage and predict the content and then lead into the new lesson.
探究二、Fast reading
1. Read the passage quickly and decide the foll
3、owing statements about cloning true or false, using skimming and scanning skills.
1) Cloning means making a copy of an animal or a plant. ( )
2) Gardeners can make a lot of money by cloning plants. ( )
3) Cloning animals is as plicated as cloning plants. ( )
4) Dolly th
4、e sheep was the first successful clone of a mammal. ( )
5) Natural clones happen in animals as well as in plants. ( )
2. Then guide the students to conclude the main idea of each parts or they can match the topics with each paragraph:
探究三、Careful reading
1. Read the passage ca
5、refully and choose the best answer for each question.
1). The main idea of the passage is___________
A. animal cloning is very valuable and can benefit the world.
B. animal cloning could be misused by bad people so it must be forbidden.
C. animal cloning is well developed because Dolly the
6、 sheep was born.
D. animal cloning raised arguments and scientists are not sure about its future.
2). Which of the following statements about cloning is not true according to the passage?
A. Cloning is something that has been developed quite recently.
B. Twins that look exactly the same ar
7、e originally from the same egg.
C. Cloning is used by researchers to develop new plants.
D. Animal cloning is much more difficult than plant cloning.
3). The cloning of Dolly the sheep succeeded because_________
A. it’s easier to clone a sheep than other animals.
B. the scientists were
8、 determined and worked hard with patience.
C. the scientists were rewarded and got lots of money.
D many other attempts to clone mammals failed.
4). It can be inferred from the passage that a cloned animal__________
A. usually lives as long as the original one. B. usually lives longer t
9、han the original one.
C. usually dies earlier than the original one. D. is usually as healthy as the original one.
5). Which of the following is wrong?___________
A. Cloned people would live forever.
B. Cloned people may be killed at will for medical.
C. A woman would have difficulty
10、 recognizing her real husband.
D. Men will die out because a woman can give birth to a baby without a husband.
三、練案
1. Fill in the blanks with the information from the passage.
Problems of dangers of cloning
Advantages of cloning
1. Animals may ________ ________ _______ of older animals.
5.
11、Medical cloning could ________ ________ for serious degenerative(變質(zhì)的) ________in humans.
2. Animal clones may _________ ________ than the doctor animals.
6. Cloning plants can ________ ______ of similar __________ _______ _________.
3._______ _______ may want to clone themselves.
7. Cloning plan
12、ts can be ________ for research on _________ ________ ________.
4. There are _________ ________ to cloning human beings.
8. Cloning can help save _________ _________.
四、小結(jié)與家庭作業(yè)
1. Read the new words again. 2. Go over what we learned today.
答案：
1. F T F T T 2. C E B D A
Careful reading :
D A B C D
2022年高中英語《Unit2 Cloning 》導(dǎo)學(xué)案（二）新人教版選修8
