题目

用一个开关同时控制两盏灯，则这两盏灯的连接方式（    ）A、只能串联    B、只能并联    C、串联或并联都可以    D、串联或并联都不可以  答案：C解析:略 单词拼写1.It astonishes me that the book i______________ for children under 12 is now being used to educate adults.2.Energetic and relaxed people are less l____________ to catch a cold than those who are nervous or angry.3.At first, we were suspected, but we finally c___________ them of our honesty.4.After moving into the beautiful house, she often e___________ her friends at weekends.5.With New Year’s day a__________, our class decided to throw a party to celebrate this important occasion for a new start.