(b) Advise Sergio on the appropriateness of investing in a domestic rental property in view of his personal circumstances and recommend suitable alternative investments giving reasons for your advice. (4 marks)
【单选题】如图所示,三孔插座上面有一个插孔是和插头上标有 E 的导线接通的,下列说法中正确的是( )。 ( 1 ) E 是和用电器的金属外壳相连的 ( 2 )电路中 E 应该和室外的大地相连 ( 3 )如果和 E 相连的导线断开,用此插座的洗衣机便不能转动 ( 4 )将试电笔笔尖插入 E 孔,正常情况下试电笔的氖管会发光