You are required to be a volunteer in a school beatification day， which of the following would you like to choose.
1 planting in campus flowers garden
2 picking up garbage and collect the recyclable material
3 paint natural and outside arts
Give specific reasons to support your answer.
Do you agree or disagree that important business meetings should be held in person rather than use technology such as video conference call. Give specific reasons to support your answer.
标题：Class auditing discontinue.
改变：Reasons： class room is rather small and students have lots of questions and comments in class
观点：The man feels disappointed with the e-mail.
原因1：professor’s lecture is really interesting and useful， a lot of rooms are available and professor could choose other rooms student could choose to stand or sit on the floor .
原因2：Professor could set the rule just ask them to sit and listen or allow to ask more questions.
定义：It is a rare form of cooperation for insects to join to a larger body to face the challenge together.
阅读例子：The professor takes fire ant as an example. They normally live underground and when it rains， they have to come up to the ground to avoid the water. They come up a good idea to gather together， using their legs and nose to hold each other to form a large body so that they won’t be watered away and the could float on the water till the day area.
问题：The woman promised to attend her best friend art show， but at the same time she got sick and cough and sneeze all the time.
解决方案1：Just attend 30minutes and leave afterwards
优点：He can attend the art show reception part and support her friends.
缺点：She feels not easy to go and will continue talking after 30mins but she may feel worse after the show.
解决方案2：To explain to her friends and go to the show next day .
缺点：The reception time is really important and wonderful that she could not get that experience in the later time.
标题：Two drawbacks of product line extension
概念：In order to gain more profits，some companies make similar products to the existing consumer and sell new products to attract new consumers
要点1：The existing consumes may give up buying old products and the company may lose profits
例子1：A skin lotion company used to produce products for dry skin consumer and later they produce a new item to attract new customers， but existing consumers prefer the new product and they didn’t buy the old product.
要点2：The company may ruin its reputation
例子2：A snack company used to produce natural and organic snacks and in order to attract more consumers， they produce unhealthy and mix some harm ingredients in the food， which confuses consumers and even lost its existing consumers.