Many scientists believe that intelligent life forms may exist on other planets and messages should be sent into space to contact these life forms. Other scientists think this is a bad idea because these life forms could be dangerous. Discuss both these views and give your own opinion. Give rea...
First you play the role of li yang fang and then the role of Susan you partner Mike has and Kim sun you are at the airport to meet you visitor you know each other so great you visit first talk with him and then take him to the hotel. Pledged to meet you representative someone answe...
2，人对声音的感觉是了解周围事物的一个最主要途径，声音也产生废物，那就是噪音，噪音被称为无用声音，噪音污染日益严重，而且没有好转势头，几年来科学家一直在研究噪音对人和动物的影响，他们的发现让他们感到震惊，宁静的环境越来越难找到，噪音污染的威胁应该引起高度重视，对于噪音人们有一句话，就是...
B. To look for a job. C. To see a friend. 2. What does the man ask the woman to do? A. Take him to hospital. B. Go to a class with him. C. Submit a report for him. 3. Who will look after the children? A. Jennifer. B. Suzy. C. Marie. 4. What are the speakers go...
A.Society’s dramatic change calls for simple methods. B.Old means of doing things should be replaced by new ones. C.Society needs positive change for development. D.Some problems should be solved in combined ways. 2. What does the author expect scientists and engineers to do?
Ways of making less noise are now being tested.There are even laws controlling noise.We cannot return to the’good old days’of peace and quiet.But we can reduce noise—if we shout loudly enough about it. Why are scientists surprised by the findings in their noise study?() ...
Why Is It Important to Explore?Some scientists, researchers, and explorers were asked the question, "Why is it important to explore?" This video gives their answers.BEFOR E YOU WATCH What do you think you will see in the video? Tick the items that you think will be mentioned.airplane but...
Why is sociology important to public relations? Describe how sociology qualifies to be a social science. How does structural functionalism explain the nature of society? Why is economics considered to be a social science? Why should social scientists study organizations?
"We think it is a very sound and correct advice. Because we do believe in the power of the spirit and in the importance of values ... The idea is that the people, the scientists and the administrators and politicians who work on solutions, can be inspired from the teaching of great th...
Why are graphs important in science? How can science literacy affect your future encounters with science in your life? Give a specific example. Justify why it is important to scientists to have a universal system of measurements? What is the definition of sci...