冀教版 英语课件：九年级下unit2 dna lesson12

课件12张PPT。
Lesson 12
Did You Ever See a “Chorse”?Fill in the blanks with proper prepositions or conjunctions:
What if scientists could make clones ___ human beings?
But would they be exactly the same _____ the original humans?
______ some ways, clones would be exactly the same.
We can divide a growing egg _______ half.
They divided the class _________ four groups.
Some people worry ________ the answer _______ that question.
7. His sweater is good except _______ the colour.
8. Yesterday I lost the key ________ the door. of as In inabout tofor to intoFill in the blanks with proper prepositions or conjunctions:
9. Your DNA is _______ every part of your body.
10. Japanese is quite different ________ English.
11. Many clothes are made _________ cotton.
12. Have you ever seen a pig _________ a dog’s body?
13. ____ changing the DNA, scientists made stronger cotton plants.
14. Scientists say we need to know more ________ DNA before we start changing it.
15. We can make plants that are bad ________ insects. infrom of withBy aboutforFill in each blank with the proper word from the brackets:
What if it __________(rain) tomorrow?
Other people think human _________(clone) is okay.
Everyone except Jim and John _______ (be) there when the meeting began.
Li Lei, together with us ________ (be) playing now.
His uncle has been _________(die) for many years.
Li Lei is always __________(worry) about his studies.
What he said makes me __________(worry).
Who is the ________(design) of our new school building?
9.The boy can ______(exact) learn these numbers by heart.
10. Li Yuchun is 1.74 metres in __________(high).rainscloningwasdeadworried worrieddesignerexactlyheightis同义句转换，每空一词：
What else have scientists designed by changing DNA?
What _______ _______ have scientists designed by
changing DNA?
2. The computers are made in Japan. They sell well.
The computers _________ ____ _____ in Japan sell well.
The computers ________ in Japan sell well.
3. We can only make clones from living DNA.
We can only make clones ______ ______ living DNA.
4. It may let scientists find new ways to help people who
are ill.
It may let scientists find new ways to help _____ _______.
5. You can divide the apple in half.
You can divide the apple _______ ________.other thingswhich/that are mademadeout ofsick peopleinto halves根据汉语意思完成句子，每空一词：
在某些方面，我们可以帮助别人。
____ ______ _______, we can help other people.
2. 许多衣服是棉布做的。
Many clothes _______ _______ _______ cottons.
3. 我们可以培植对昆虫有害处的植物。
We can make plants that ______ _____ _______ insects.
4. 科学家能从一种植物中提出DNA，并把它放入另一种
植物。
Scientists can _________ DNA __________ one kind of
animals and _______ it _______ another kind of animal.
5. 通过DNA，科学家能鉴别你和与你有关的人。
From your DNA, scientists can identify you and people
_______ _______ you.In some waysare made ofare bad fortake fromput intorelated to根据汉语意思完成句子，每空一词：
6. 我们在北京西客站换了火车。
We _______ ________ at Beijing West Railway Station.
7. 她的毛衣和我的颜色一样。
Her sweater is ______ _______ _______ _______mine.
8. 我们分成几个小组讨论我们的计划。
We _________ ourselves ________ several groups to
discuss our plan.
9. 我们若是开会迟到了又有什么关系呢？
_______ _______ we are late for the meeting?
10. 但是他们和原来的人完全一样吗？
But would they be _________ the same as the original
human?changed trainsthe same colour asdivided intoWhat ifexactlyA task:

A debate is an argument between two groups. One
group argues for an idea; the other argues against
it.
Plan a debate about this topic: is it a good idea to
clone humans?Let’s learn to sing the song.根据汉语提示及句意完成句子，每空一词：
1. I knew _________(确切) what she wanted.
2. What __________(别的) can you see in the picture?
3. The ________(其他的) girls are singing in the classroom.
4. The boy is 1.75 metres in __________(高).
5. I would like to ________(克隆) an animal that no longer
lives in the world.
6. What if scientists could make ________(克隆) of human
beings?
7. I have _________(分开) the apple in half.
8. Scientists can ______(设计) new plants by combining the
DNA of the other plants.
9. Mules are very _________________(有用的) animals.
10. Do you have a _________(孪生) brother?
exactlyelse otherheightcloneclonesdivideddesignuseful/helpfultwinFill in each blank with the proper word from the brackets:
What if it _______________(not rain) tomorrow?
I __________(real) love my pet dog.
I’m thinking of __________(make) a kite.
I don’t think I would want to be ___________(clone).
Some people think human _______(clone) is a bad thing.
We divided our class into two _________(half).doesn’t rain reallymakingclonedcloninghalvesA task:
Work in a small group. Imagine you are a
zookeeper whose zoo is losing money. You want to
make some exciting animals. What animals will you
combine? What will you name them? Use the
pattern in the song to tell customs about your new
animals. Sing the new song to the rest of the class.