Section III 根据所给出的主题句写出支持句
　　11. The most obvious advantage to overseas university study is real-life use of a different language.
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　　12. For the individual office worker, telecommuting would mean spending more time at home.
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　　13. The younger generation is essentially different from the older generation
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　　14. I like traveling by bus than traveling by airplane for three reasons.
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　　Section IV 用启、承、转，合词填空
　　Text 1
　　Teachers of foreign languages should be extremely well-qualified in order to carry out their duties properly. 15)______, a teacher should possess a minimum of a graduate degree from a certified education school or institute if he is to teach high school or below. Besides the academic degree, teachers should not consider teaching only as an occupation for earning money; they should also be interested in teaching. It was 16)______ necessary that teachers be knowledgeable in their major fields, 17)______ they should further more be skillful as well. 18)______ the language teacher must know the target language well enough to be imitated by his students. A teacher should 19)______ know the linguistic facts of the language of the students in order to understand problems they will have in learning the target language, 20)______ the teacher must be familiar with audio-lingual techniques. Knowing all this will help the students to learn correctly and quickly.