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学者即良师。
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当世界进入高科技时代,教师的职业将要被现代化的大众传播媒介所取代。
教师的主要任务是教书,教师就是教书先生。
Task 2. The words in bold are from Listening Skills & Strategies in this part. Listen to the sentences. Then write each word next to its definition.A Crime has increased on an unprecedented scale.B. The main character's childhood takes up a good portion of the film.C. They raise on their farm cows, pigs, and other livestock.D. Fish, birds, and human beings are all vertebrates.E. The news of violence conducted by refugees had a sobering effect.F.A spoiled child is often capricious.1.never done or known before2.a part of something larger, especially a part that is different from the other parts3.making you feel very serious4.changing unexpectedly and suddenly one's opinion or behavior without any good reason5.an animal that has a backbone6.[音频]
Task 2. The words in bold are from Listening Skills & Strategies in this part. Listen to their explanations. Then complete each sentence with the correct word. You may change the form when necessary.A. Ecological means connected with the way plants, animals, and people are related to each other and to their environment.B. An assumption is something you think is true although you have no definite proof.C. The atmosphere is the mixture of gases that surrounds a planet.D. Radiation is energy in the form of heat or light that is sent out as waves that you cannot see.E. Infra-red light gives out heat but cannot be seen.1. The of the early Earth contained much less oxygen than it does today.2. Sun creams work by blocking harmful ultraviolet .3. My calculations were based on the_ that house prices would remain stable.4. Thanks to devastation, the wilderness is shrinking.5. Night-vision devices using active illumination allow people or animals to be observed without the observer being detected.[音频]
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