If there’s only one green space in the city you live, and the government proposes to build a house on this only green space, do you think it’s a good idea?
The university plans to cancel the right of students to visit the school garden.
Reason 1: People always pick followers in the garden and this is the place only for researchers.
Reason 2: Students can go to other places not far away to enjoy the scenery.
【学生态度】：The man disagrees.
Reason 1: We do not know this is just for researchers. The university can put up rules and the students will obey them.
Reason 2: Other parks are so far away from here and lots of students do not have cars to go there and the transportation is limited, so it is not easy to find one park like this.
Question: Explain the man’s opinion and why he holds that opinion.
Geoengineering: use some unusual way to reverse the environmental pollution.
Example: use olivine, a common rock, to absorb the CO2 in the atmosphere.
The rock is abundant and easy to find, which is a totally new method to solve the environmental problem.
【讲课要点】：Two reasons why dragonflies can capture prey efficiently.
Example 1: Huge vision can spot objects much far away from them.
Example 2: Highly developed system in brains that can test rate when prey moves around.
Do you think children born with talent should be treated in a different way or they should be treated in the same way as average children?
A student suggests that university should require students to present thesis paper.
【学生态度】：The woman agrees with the letter.
1. She majors in history, so she can learn some other knowledge like literature from other students’ presentation.
2. This policy should be a choice for students, so those who are nervous and under pressure can choose not to do so.
Question: Explain the woman’s opinion and why she holds that opinion.
Plants produce a mass of seeds to prevent their seeds from being eaten by animals.
Bamboo produces tons of seeds every 120 years in different seasons to prevent their seeds from being eaten by big mammals. Besides this, bamboo usually grows very slow, so some years it might not grow. By saturating their seeds, bamboo can expand to many places, and therefore grow there in the future.
【讲课要点】：The professor talks about some physical features that open sea animals have to protect themselves from predators.
1. Nearly transparent, e.g. eel
2. Reflect light, e.g. salmon