问题
问答题 简答题
试述肺内导气部的管壁的变化规律。
答案
参考答案:
上皮为假复层纤毛柱状,上皮渐薄,杯状C渐少。
腺体逐渐减少。
软骨呈不规则片状,并逐渐减少。
平滑肌相对增多,逐渐形成不成层的环形肌束。
试述肺内导气部的管壁的变化规律。
参考答案:
上皮为假复层纤毛柱状,上皮渐薄,杯状C渐少。
腺体逐渐减少。
软骨呈不规则片状,并逐渐减少。
平滑肌相对增多,逐渐形成不成层的环形肌束。
补全对话,从方框中选择适当的句子完成短文。 | |
A: Hi, Tom. 1____ B: It was terrible. A: Why? 2____ B: It was so boring. I stayed at home and did my homework. 3____ A: What a pity! 4____ I went fishing with my family on Saturday. And we had a big fish dinner in the evening. B: 5____ What did you do on Sunday? A: I did my homework in the morning and played football with my friends in the afternoon. B: Sounds like great fun!
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