题目内容

A(n) ____________________ is one who conquers, or gains a victory over any opposing force.

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A(n) ____________________ is one who survives or endures through disaster or hardship.

Complete the following passage with words chosen from this unit. The initial letter of each is given.（注意：填写答案时，请写全单词，即包括首字母）Many of us these days are learning a foreign language. We are interested in learning another language because we know that knowledge of another language and culture will increase our career opportunities, broaden our horizons and enrich our life. Since learning a foreign language is of such importance, no d(1) people are constantly looking for more e(2) ways of language learning. Most people say the best way to learn a language is to stay in the country w(3) it is spoken. It is true those who go to a native country have an a(4) over those who don’t. But living abroad needs money, and not everyone can a(5) to do so. Those who don’t go abroad may turn to language schools for help. Language schools usually c(6) that they can teach students to speak the language they want to learn f(7) within 3 to 6 months because they have more q(8) teachers and better facilities. To a certain e(9), a good teacher is indeed important in language learning, but it would be r(10) to claim that any teacher has discovered a p(11) way of teaching English in every possible situation. In fact, there are a(12) many good methods of teaching a language as there are good teachers, b(13) every teacher is an i(14) with his/ her own personality. What a student needs to remember then isto find out a method that best suits himself/ herself.

罗尔定理的条件是：闭区间连续，开区间可导，端点的函数值相等

A. 对
B. 错

罗尔定理的结论是：在开区间内至少有一点导数为0.

A. 对
B. 错