高中英语选修8 Unit2 Cloning
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She was cloned while the others were born naturally. It is the copy of another sheep.
2. What is cloning? Cloning is a way of making an exact copy of another animal or plant.
A strawberry plant
Growiቤተ መጻሕፍቲ ባይዱg new plants
Twins
Dolly the sheep
How does Dolly differ from other sheep? She was cloned while the others were born naturally. Dolly was a _c_l_o_n_e_dsheep.
4. What is people’s fear about human cloning? Which of the following is wrong?
A. Cloned Hitlers would do harm to the world.
B. Cloned people may be killed at will for medical aid.
＊C. usually lives longer than the original one
D. is usually as healthy as the original one
3. Which of the following is not an advantage of cloning?
A. Cloning can be used for medical purposes.
D. had the characteristics of all three sheep.
2. It can be inferred from the passage that a cloned animal_____.
A. usually lives as long as the original one B. usually lives longer than the original one
Reading
Warming up ( 5ms )
Look at the following pictures and answer the questions:
1. It’s the most famous sheep in the world. Do you know how Dolly is different from other sheep?
F
2.Gardeners can make a lot of money by cloning
plants.
T
3.Cloning animals is as complicated as cloning
plants.
F
4. Dolly the sheep was the first successful
Man-made clone is one that produced through human intervention(介入) .
Discussion
In pairs, look at these pictures and discuss which ones are natural clones and which ones are manmade. Explain how they differ.
Reading – I Scanning ( 5ms )
Write the letter “T”if the statement is true. Write “F”if it is false.
1.Cloning means making a copy of an animal or
a plant.
clone of a mammal
T
5.Natural clones happen in animals as will as
in plants.
T
Reading – II Skimming ( 5ms )
Choose the right answer according to the text. 1.Dolly the sheep_____.
A. looked exactly like the sheep that provides the egg.
＊B. was the exact copy of the sheep that provides
the nucleus.
C. looked like the sheep that gave birth to it.
B. Large quantities of food can be produced by cloning.
C. Cloning can help keep animals from becoming extinct.
＊D. Famous persons who have passed away
can be cloned.
3. Are the following clones the same? If not, what is the difference?
NO. The first four are man-made clones, the rest two are natural clones.
Natural clone is one that occurs in a natural form of cloning without human help.
C. A woman would have difficulty recognizing her real husband.
＊ D. Men will die out because a woman can give birth
to a baby without a husband.
Reading – III Detail reading ( 8ms )
2. What is cloning? Cloning is a way of making an exact copy of another animal or plant.
A strawberry plant
Growiቤተ መጻሕፍቲ ባይዱg new plants
Twins
Dolly the sheep
How does Dolly differ from other sheep? She was cloned while the others were born naturally. Dolly was a _c_l_o_n_e_dsheep.
4. What is people’s fear about human cloning? Which of the following is wrong?
A. Cloned Hitlers would do harm to the world.
B. Cloned people may be killed at will for medical aid.
＊C. usually lives longer than the original one
D. is usually as healthy as the original one
3. Which of the following is not an advantage of cloning?
A. Cloning can be used for medical purposes.
D. had the characteristics of all three sheep.
2. It can be inferred from the passage that a cloned animal_____.
A. usually lives as long as the original one B. usually lives longer than the original one
Reading
Warming up ( 5ms )
Look at the following pictures and answer the questions:
1. It’s the most famous sheep in the world. Do you know how Dolly is different from other sheep?
F
2.Gardeners can make a lot of money by cloning
plants.
T
3.Cloning animals is as complicated as cloning
plants.
F
4. Dolly the sheep was the first successful
Man-made clone is one that produced through human intervention(介入) .
Discussion
In pairs, look at these pictures and discuss which ones are natural clones and which ones are manmade. Explain how they differ.
Reading – I Scanning ( 5ms )
Write the letter “T”if the statement is true. Write “F”if it is false.
1.Cloning means making a copy of an animal or
a plant.
clone of a mammal
T
5.Natural clones happen in animals as will as
in plants.
T
Reading – II Skimming ( 5ms )
Choose the right answer according to the text. 1.Dolly the sheep_____.
A. looked exactly like the sheep that provides the egg.
＊B. was the exact copy of the sheep that provides
the nucleus.
C. looked like the sheep that gave birth to it.
B. Large quantities of food can be produced by cloning.
C. Cloning can help keep animals from becoming extinct.
＊D. Famous persons who have passed away
can be cloned.
3. Are the following clones the same? If not, what is the difference?
NO. The first four are man-made clones, the rest two are natural clones.
Natural clone is one that occurs in a natural form of cloning without human help.
C. A woman would have difficulty recognizing her real husband.
＊ D. Men will die out because a woman can give birth
to a baby without a husband.
Reading – III Detail reading ( 8ms )