a. Two or more people work together, who have specific roles, perform interdependently , and finally achieve the same goal.

b.

(1) A group gathers the skills and knowledge of its members which helps to solve more kinds of problems and show effective.

(2) All members have their own idea and opinion which help the team to reach a better conclusion.

(3) In group work, every single member only need to finish a small part of the whole task which is more specific and easier. Finally, finish the task faster.

c.

(1) Mutual Learning and helping. The group members should be willing to learn from each other and give a hand to someone in trouble.

(2) Recognized Rules. Rules help a group to work in order.

(3) Healthy Competition. Healthy competition among members will create a positive work environment and make everyone to make progress.

(4) Effective Communication. Members should participate fully and communicate actively, the more information gathered, the more effective the teamwork can be.

(5)Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.

(1) Build a good relationship. Good relationship between members will make it more effective for them to communicate and more easier to make a conclude.