正确答案: CDE

前列腺 精囊腺 尿道球腺

题目：男性生殖器的附属腺是 （　　）

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学习资料的答案和解析：

[单选题]1950年6月毛泽东在七届三中全会上作的重要讲话是

《不要四面出击》

[单选题]毛泽东明确提出“新民主主义”这一概念的著作是

《中国革命和中国共产党》

[单选题]_________

根据以下内容，回答下面的题目。Insure means to protect _51_ a loss of money．Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services．But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident．Such crises usually _54_ great expense．Even if people could predict crises, it would be hard to save enough money to _55_ the expenses．Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis．An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis．There are many different kinds of insurance, _58_ hospital, motor-car and fire．Insurance can be rather expensive but most people buy insurance of some kinD．Insurance is something _59_ people buy and hope they will _60_ need．_________

such as

[单选题]I always regretted not_________ harder when l was young．

having studied

[单选题]下列说法正确的是

若A与B互斥，则P（Aˉ∪Bˉ）＝1

[多选题]胃酸的作用有（　　）

激活胃蛋白酶原

为胃蛋白酶提供酸性环境

杀死食物中的细菌

[多选题]二尖瓣闭锁不全存在哪项体征 （　　）

抬举样心尖搏动

心界扩大

心尖区收缩期杂音

P2亢进并分裂

[单选题]根据以下选项，回答{TSE}题：A．硬膜外隙B．蛛网膜下隙C．终池D．乙状窦 E．硬膜下隙 {TS}椎管内面骨膜参与围成的是（　　）