新闻舆论导向的原则是（）。 ["真实性原则","党性原则","以正面宣传为主的原则","贴近大众原则"]
下列关于验资户转基本户的操作说法正确的是（）。 ["使用007050交易，选项账户类型变更，将验资户转为基本户","在人民银行账户管理系统直接将验资户转基本户","使用007050交易，选项过账限制，将现金支取权限打开","在核心系统销验资户，开基本户"]
车辆在什么情况下一定做四轮定位（） ["更换了新的轮胎","更换了转向横拉杆","更换了转向机","更换了减震器"]
寻找新闻由头有的方法有（）。 ["由近及远法","循序渐进","现场观察法","避旧出新法"]
The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（） ["precipitate silica from solution","reduce corrosion in the heating coil","prevent clogging and erosion in the coil","maintain zero water hardne"]
若电网发生铁磁谐振过电压时应如何处置？
