Book 8 Unit 2 Cloning
2). what benefits can humans gain from cloning?
3). what problems may arise when humans are cloned?
4). should we clone a human?
5). could cloning replace sex as the means of creating new human life?
6). could a parent clone a child who is dying of a terminal illness?
reference answers to the questions
1. this happens in plants when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and gown in a laboratory. it also happens in animals when twins identical in sex and appearance are produced from the same original egg.
2. it can help cure disease and can help couples who have no baby to bear a new baby.
3. there may be more bad people like hitler.
4. in my opinion, i do not agree, for it may cause many moral problems.
5. no. because cloned human has the same quality as the real human, natural born baby’s quality is higher than his parents.
6. no. the cloned baby also has the disease.
reading
i. reading comprehension:
1. the main idea of the text 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 sheep was born.
d. animal cloning raised arguments and scientists are not sure about its future.
2.the cloning of dolly the sheep succeeded because____. a. its easier to clone a sheep than other animals b. the scientists were determined and worked hard with patience