A vessel operating outside of coastal waters must carry an automatically activated Emergency Position Indicating Radio Beacon (EPIRB) if she（）. ["does not have berthing facilities","has berthing and galley facilities","is a workboat and her mother ship carries an EPIRB","None of the above are correct"]
Http协议默认使用（）端口。 ["A.80","B.139","C.443","D.445"]
拍卖企业举办拍卖活动，应当于拍卖日前（）天内到拍卖活动所在地工商行政管理局备案。 ["10","7","5","3"]
坚持学校教育、家庭教育、社会教育相结合应（） ["发挥学校主阵地作用","根据不同学段学生身心发展特点，区分层次，突出重点","加强各学段的有机衔接，逐步推进","加强家庭、社会与学校之间的配合，形成教育合力"]
格式条款不得含有排除消费者主要权利的内容，下列选项中哪项权利不包括在内？（） ["A.合同解释权","B.变更或解除合同权","C.就合同争议提起诉讼权","D.监督权"]
简述水池的给水系统的四种形式以及各形式的优缺点。
