对于处于平衡状态下的液体，其中任一点的（）变化都会等值地传递到液体的其他部分而丝毫不改变其数值，这就是帕斯卡定律。 ["温度","质量","流量","压力"]
简述放射性污染对人体健康的影响。
Which two are benefits of fully encapsulating a class？（） [" Performance of class methods is improved."," Implementation details of the class are hidden."," Access modifiers can be omitted on class data members."," Code that uses the encapsulation class can access data members directly."," Internal operation of the class can be modified without impacting clients of that class."]
银行履约保函是由商业银行开具的担保证明，通常为合同金额的（）左右。 ["2%","5%","10%","20%"]
以下关于优化关键词CPA的方法中正确的是？（） ["根据关键词转化效果进行筛选，暂停所有低转化关键词","根据转化良好的关键词，以其为核心，分类拓展关键词","根据关键词转化效果，对成本高的关键词进行排名优化","通过对用户行为分析，优化着陆页面及转化路径"]
对儿童来说，（）是依恋的核心与基本的外在行为表现，而强烈的相互依存的（）则是依恋基本的内在心理压力。
