【单选题】【消耗次数：1】
精子产生的部位是
①
白膜
②
睾丸网
③
精曲小管
④
睾丸间质
⑤
附睾
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公畜的每个睾丸小叶含有2-3条曲细精管，其管壁上皮是由[填空(1)]细胞和[填空(2)]细胞构成
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12．公畜睾丸的大体解剖结构是
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②
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Backups in case the lesson goes too fast and there are a few minutes left
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Prepared for good students
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Used for emergency.
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Presentation, practice and production
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Clear, brief
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Specific, students-oriented
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Specific, teacher-oriented
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Appropriate use of the language in social context
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Ability to create coherent written text or conversation and the ability to understand them
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Strategies one employs when there is communication breakdown due to lack of resources
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Linguistic competence, pragmatic competence, discourse competence, strategic competence and accuracy
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grammar competence, pragmatic competence, discourse competence, strategic competence and fluency
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grammar competence, pragmatic competence, discourse competence, strategic competence and accuracy.
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Communication principle, task principle and meaningful principle
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Communication principle, accuracy principle and meaningful principle
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Communication principle, fluency principle and meaningful principle
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Communication principle, task principle and purpose principle.
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A. Listen to texts either read by the teacher or pre-recorded on the tape; repeat what is heard
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Retell what is heard
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