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问题 选择题

产生精子和分泌雄性激素的器官是：（   ）

A．睾丸

B．输精管

C．附睾

D．前列腺

答案

答案：A

在男性的生殖系统中，主要的性器官是睾丸，其主要功能是产生精子和分泌雄性激素，输送精子的器官是输精管；前列腺能分泌粘液，阴囊有保护睾丸和附睾的作用， * * 能排出精液和尿液．

题目分析：

问答题

佗语吴曰：“人体欲得劳动，但不当使极尔。动摇则谷气得消，血脉流通，病不得生，譬犹户枢不朽是也。”
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单项选择题

The basic concept of GMDSS is（）.

A.Search and rescue authorities ashore will rapidly received an distress alert and acted upon

B.SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation

C.Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly

D.The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
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