1、These tiny particles are doomed to cause serious damage to our health. With time going by, theres no denying that our pollution around us is on a rapid rise from last decade.D:But a survey conducted by a local non-governmental organization in Hangzhou found that nearly 30 percent of 967 college stud
2、ents dont know what PM2.5 is.And there is no device available on campus to measure it.E:However, with the deepening of urbanization, more cars are needed, which will make the air pollution worse.Therefore,our humans should take responsibilities for the air pollution and have to find ways to solve th
3、is problem.So how can we restrict the emission and reduce the PM2.5 index?What can we actually do to get our blue sky back?Attitudes towards this issue vary from person to person. Theres a part of our citizens who always go into raptures at the mere mention of authoritative restriction and punishmen
4、t. They tend to live under the illusion that more severe punishment will certainly exert more positive effect.From my perspective, what they fail to take into consideration is the basic fact that punishment is only a small part of the measures .Assuming that if the company can bring in more money by
5、 emitting arbitrarily, theyll do that consecutively, regardless of fine.As far as Im concerned, regulations and restrictions ought to be integrated with instruction of improving technology and constitution of economy. Only with much advanced technology and rational construction of economy can we sol
6、ve the pollution problems in the essence.At the same time, its necessary for us to plant more trees to enhance our environment. The tree can assimilate carbon dioxide and desorb oxygen. People need pure air, but it is a difficult now, we can only gradually improve air quality.Its almost conspicuous
7、that we are going to live with and fight against PM2.5 in the foreseeable future .We surely have a long way to go , so lets maintain our confidence ,fortitude and perseverance. And we will conquer PM2.5 in the end.TOPIC 2Do you know fossil fuel and green energy Hi, guys Whats the matter with you ? T
8、here is long time not to see you? Why you look so confused? Hello I have a question want to ask you. What is your question? Yes, Lets see if we can reply. Do you know green energy”? And what do you think about set up green energy systems? Because nowadays, The earths resources are becoming less and
9、less, and we must find out whats the matter with it. And we must use some ways to solve those problems.C; Fossil fuel is a kind of non renewable energy. Typical examples are: coal, oil, natural gas and so on . They had to take a long time to get, and they are limited . And they will cause a certain
10、degree of pollution. So people use them to support our productions and lifes. And them become less and less. And green energy is a kind of renewable energy . Typical examples are: Solar energy, heat energy, light energy and so on. We can get them by technology in a short time. And they will not caus
11、e a certain degree of pollution. So it is a new energy which can be used to instead of Fossil fuel.B; Yes , so we want to set up some green energy systems to help us get more green energy .But building green energy systems needs all aspects of social support .such as government and scientists . I ag
12、ree to you. Setting up green energy systems needs a lot of money and policy support, so the government should try their best to help building it. For example, government should provide money and place to build it. And the government also should make the systems building dont influence peoples daily
13、life.A; And we also need scientists help. Because setting up green energy systems is a technical problem, and it need some technology support. So as a scientist, they must work hard in this area, and try their best to find out more ways to set up green energy systems successfully. Yes, you know what
14、 I think, Im so agreed to you. And now, your problem has been solvedTopic 3:“Ground-floor work is not a burden, but an asset to your career, which will prove to be invaluable for your future.Oh,Look at this news, “Drawing sketches is the basic drill of future engineers. But few of the grads have the
15、 skills or patience to do that now.”Why does this phenomenon appear?Because they think drawing sketches is a ground-floor work. They dont reluctance to do this kind of job.But I think they should to get in at the lowest level work and then ascension step by step .C:I dont think so .You know, As univ
16、ersity students, we get all aspects of education. We have spent so much time in study. All the subjects we received is the preparation for our further work. If we start from the grassroots, it means we have to start over. And I think it also means that we just wasted our time in the university. C, I
17、 agree with you. College student received higher education, they can qualified for college students jobs. Though student lack of hands-on experience, they have a strong ability to learn and high quality. College student are still the pillar of the country. No, no. My opinion is opposite to you. You
18、said that we dont have hands-on experience yet. Although we have a strong ability to learn, but we have just graduated, some high technical content of the work we cant accomplish. So college students should accumulate a lot of practical experience. I do agree with you. In the face of financial crisi
19、s under the influence of employment trough, college students should recognize when job-hunting reality, appropriate adjustment point of view, from basic level cultivating their own core competitiveness in the workplace. But if we have got a job since we graduated from high school even junior high sc
20、hool, we must also start from the grassroots. Then, what is the difference between the university students and high school students? And what is the meaning of university education? I think it also means that its completely unnecessary for us to study at university. All right. If college grads work
21、in the ground-floor work will wasted the talents of university. But now the employment pressure so big, there are not enough good jobs for us. In the current university students employment environment, might as well put down the attitude, adjust their social position, start from the frontline positi
22、ons.B:And theres an old saying said of good, a person can lower their, often can go higher in the future, attitude decides the results.Dont say that please, I still dont agree with you. I still stick to my point of view。D:So do I . All right. Lets change the subject. Oh, look. its time to have dinne
23、r. Lets go.ABCD: Lets go!Topic6:What measures can students take to prevent mental problemsIn recent years, college students mental health has aroused widespread attention from the whole society. Undoubtedly, mental health is very important to the all-around development of a college student. nowadays
24、 more and more college students are suffering from mental problems, like depression and anxiety, which are bringing great harm to them. Moreover, only with a healthy mentality, can college students withstand great pressure and go through the increasingly fierce competition. I cant agree more. Mental
25、 Health Students mental health has been playing an increasingly important role in our day-to-day life. Indeed it is widely accepted that it has gained growing popularity among persons in all walks of life. First of all, these problems influence their normal studies and lives. Some students cannot co
26、ncentrate on their study and hold quite pessimistic attitude towards their future. Even worse, some students might lose control of their emotions and do some behaviors of hurting others or themselves. considering seriousness of the problem, it is an urgent thing to take effective measures to help co
27、llege students keep healthy psychologically. First of all, school authorities should strengthen psychological instruction and guidance on students. Moreover, schools should organize lore activities and provide more chances for students to ease their pressure. lectures on psychological health should
28、be frequently given to students to prevent problems from happening. As to students, we should keep the channel of communication open among ourselves and between us and our teachers and parents. we college can take some measures to prevent mental problems, such as attending more collective activities
29、. Besides, in case of mental illness, we should not hesitate to go to psychological counselors for help. Only with these measures taken can we expect sound growth of college students. it is vital for us to keep mental health under whatsoever circumstances. All of us have experienced failures. Howeve
30、r, some with self-confidence may draw lessons from failure and achieve success, while others are desperately frustrated. When most people are aware of the significance of physical health, we must also remind them of the value of mental health.TOPIC 7 Will network classrooms replace traditional classrooms?A: With the popularization of the Internet, network classrooms are gaining more and more popularity. As a new teaching pattern, network classrooms have become an effective complement to traditional classrooms. So some people propose one questi
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