5. A g 　　　　person is a person who always wants a lot but gives little.

4. The _______(市长) attending the conference voted for project.

3. Some dogs have been trained to help people who are v_________(视力地)impaired.

2. She has got great __________(潜能)and will surely become very successful if she is given the opportunity to develop her skills.

1．There is a ______(普遍的) belief among bioengineers that it will one day be possible to create life under laboratory conditions.