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【单选题】
下列哪项不是无排卵型功能失调性子宫出血的临床表现A.
多发生于青春期或更年期
B.
月经周期无一定规律性
C.
月经周期正常
D.
长短不一
E.
多时少
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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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