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【判断题】
回流线将牵引变电所的直流电送到接触网上A.
正确
B.
错误
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举一反三
【单选题】The author's major conclusion about mistakes in foreign language learning is that
A.
mistakes are not important in the process of learning a language
B.
learners are often very afraid of making mistakes
C.
making mistakes can help the learner discover the roles
D.
native speakers often do not tell foreign language learners about their mistakes
【简答题】A．You must join a football team to learn a language. B．Language learning is somewhat like playing football. C．In order to learn a language well you must have lost of practice on all the skills. D．You ...
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