Book 8 Unit 2 Cloning

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
c. the scientists were rewarded and got lots of money
d. many other attempts to clone mammals failed
3. what is the writer’s attitude toward cloning in this passage?
a. the writer is against cloning.
b. the writer is in favor of cloning.
c. the writer is neutral towards cloning.
d. the writer is in agreement with cloning.
4. which of the following is not an advantage of cloning?
a. cloning can be used for medical purposes.
b. large quantities of food can be produced by cloning.
c. cloning can help keep animals from becoming extinct.
d. people can clone themselves  at will.
5. we can infer from the last three paragraphs that ___.
a. the normal development of dolly had no effect on the cloning of other species.
b. dolly’s serious disease and final death  disturbed the whole world.
c. dolly successfully cloned a new lamb with the help of cloning scientists.
d. there were arguments about animals  about animal cloning and concerns about the future of cloning.
6.what is the writing style?
a. expositive  （說明性的）          b.descriptive