Which of the following volunteer activities do you think is the most beneficial to the environment, cleaning the city, planting trees or recycling?
I think planting trees is the most beneficial to the environment. That is because trees can absorb carbon dioxide and release oxygen and oxygen is good to our health. For example when traveling to a rural area, you may notice the air is fresher than the downtown area because more trees means more pleasant air. Besides, planting more trees allow us to provide animals a better living environment. As we all know some species already become extinct, so we need to take action and planting trees is a nice choice.
Do you agree or disagree with the statement assignments that young people today are more informed than their parents when they were young?
I agree that young people are more informed than their parents when they were young. First, information nowadays is much more than a hundred years ago and young people are easier to absorb new information. And internet plays an important role in young people's education. People no longer to learn from their teachers or parents; they only need to goggle the question and then know the answer. It's efficient. But the majority senior citizens still can't use a computer, so the result that young people are more informed is inevitable.
The university suggests music majors to enter off campus performance. The man agrees with the proposal. There are two chief reasons. First it can give them more chances to perform. Second, it's important to learn art in an earlier age if someone wants to major in art.
People tend to talk less to those they are familiar with. In the lecture, the professor invited another two professors for dinner. He is familiar with one of them. He only clearly explained the address to the one he is not familiar with. The one he is familiar with didn't find the right address.
The man faces a problem that the radio station facilities are broken. There are two solutions. First, they can buy a new one, but it is expensive. Second, he can ask engineer majors to fix for him. I recommend the man to choose the second solution because the first choice is a waste of money, the price is high and the man could just ask those students who major in engineer to fix for him. And to engineer majors, it's also a opportunity to practice for what they have learnt.
【讲课要点】：The professor introduces a principle that female animals will become brave after having babies.
举例：Two mice search food in a container with a cover and another open container. The mother mouse was brave enough to search food in both containers, but the non-mother mouse only searched food in the container with a cover.