有终身不再感染的传染病（） ["麻疹","水痘、天花","伤寒","以上都包括"]
Mary forgot（）a letter to her mother, so she wrote to her just now. ["writing","to write","to have writte"]
大中型直流电动机不允许直接启动的原因（） ["直接启动时启动电流电流太大","会对电机本身、电网、机械传动系统产生非常大的危害","有可能毁坏电机","以上都不对"]
经节肢动物传播的传染病有（）。 ["疟疾","乙型脑炎","恙虫病","以上都包括"]
不同区域车载网络的速度是（）的。 ["不同","相同","不一定","都不正确"]
萧峰在辽国是（）官职。
