2.  What is “human cloning”?  What problem may be caused by human cloning?

3.  With the techniques of human cloning developed, public debate about ethical, social and legal issues raises and there are several possible scenarios of reproductive techniques.

4. Three of several plausible scenarios mentioned in this article ： The birth of Dolly initiated the discussion about human cloning of this article.  An ethical question  A legal question  A social question  Biologically related child  Couple with genetic disease  Tissue or organs transplantation

5.  The development of cloning poses a social debate about ethical issues and individual welfare with the birth of Dolly.  Vocabulary  ewe [ju]  feasible [ ˋ fiz ə b!]  welfare [ ˋ w ɛ l ͵ f ɛ r]

7.  The gene-select techniques for a responsible couple interested in rearing healthy offspring should take into account the benefits and any potential harm.  Vocabulary  rear [r ɪ r]

8.  Reproductive techniques which is the most likely uses of cloning creates the law against abused situation like selling cloning children.  Vocabulary  entrepreneur [ ͵ɑ ntr ə pr ə ˋ n ɝ ]

9.  United Nations  Australia  United States

10.  Cloning is most likely to be sought by couples who can not or do not want to conceive a child since cloning a human being require lots of things and people.  Vocabulary  consenting [k ə n ˋ s ɛ nt ɪ ŋ]  enucleate [ ɪˋ njukl ɪ͵ et]

11.  herald [ ˋ h ɛ r ə ld]  menagerie [m ə ˋ næd ʒ ə r ɪ ]  nagging [ ˋ næg ɪ ŋ]  leery [ ˋ l ɪ r ɪ ]  advent [ ˋ ædv ɛ nt]  play down  commerce [ ˋ k ɑ m ɝ s]  moratorium [ ͵ m ɔ r ə ˋ tor ɪ ə m]  interim [ ˋɪ nt ə r ɪ m]  scrutiny [ ˋ skrutn ɪ ]  panel [ ˋ pæn!]  consortium [k ə n ˋ s ɔ r ʃɪ ə m]  apt [æpt]

12.  Synthetic cell heralds a potential new era in biology.  social and ethical problems ：  Law and public safety  A turning point between man and nature  scientific question ：  An organism with a synthetic genome or a truly synthetic organism

13.  commercial advantage ：  Breeding industrial life forms that can secrete fuels, vaccines or other commercial products  Environmental protection ：  Environmental groups call for a global moratorium on synthetic organism.  Catholic and Protestant groups ：  There was some support ： It is very much within divine mandate that we do these things.

14.  The first plausible scenario ：  Couples who are infertile make their own DNA and egg fused to have a child biologically related to them.  vocabulary  plausible [ ˋ pl ɔ z ə b!]  anonymous [ ə ˋ n ɑ n ə m ə s]  gamete [ ˋ gæmit]  gestate [ ˋ d ʒɛ stet]

15.  The second plausible scenario ：  Couple at high risk of having offspring with a genetic disease might choose to clone one of themselves, another family member or the first baby.  Vocabulary  prenatal [pri ˋ net!]  preimplantation [pri ͵ɪ mplæn ˋ te ʃ ə n]  discard [d ɪ s ˋ k ɑ rd]  in line with  prevail [pr ɪˋ vel]  kinship [ ˋ k ɪ n ʃɪ p]

16.  The third plausible scenario ：  Couple might conceive or clone the older baby to obtain tissue or organs for transplantation.  Vocabulary  coital [ ˋ ko ɪ t!]

17.  My sister’s keeper  What will you do if you were Anna?

18.  Do you think cloning right or wrong? How about cloning human being? Why?  Are you in favor or against cloning human being? Why?