Show the following

　Para. 1 Cloning is a way of making an exact copy of another animal and plant.

Para. 2 Cloning has two major uses.

Para. 3 The problems of Dolly.

Para. 4 The effect of Dolly.

Para. 5 It is forbidden to clone human being.

1) 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．Which of the following statements about cloning is not true according to the text?

A. Cloning is something that has been developed quite recently.

B. Twins that look exactly the same are originally from the same egg.

C. Cloning is used by gardeners to make more money．

D. Animal cloning is much more difficult than plant cloning．

3．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