1．From what has been discussed above, we can draw the conclusion that ... 2．It is high time that strict measures were taken to stop ... 3．It is necessary that steps should be taken to ... 4．In
transmissionn.传送；传动；发射 umbrellan.伞，雨伞 vacanta.空的；未被占用的 vacationn.假期，休假 valuablea.值钱的；有价值的 vehiclen.车辆，机动车 videoa.电视
投诉信Directions: Write a letter of complaint according to the following situation: You bought an air conditioner in Sun Appliance and had it installed the other day, but you found that the fan mad
schedulen.时间表；计划表 sciencen.科学，科学研究 semestern.半年；学期，半学年 separatea.分离的；个别的 signaln.信号vi.发信号 signaturen.署名，签字，签名 sign
personneln.全体人员，全体职员 perspectiven.透视；远景；观点 pessimistica.悲观的；厌世的 phenomenonn.现象 philosophern.哲学家 philosophyn.哲学；哲理；人生观 physic
knowledgen.知识，学识；知道 licensen.许可；执照vt.准许 losevt.失去；迷失；输掉 lossn.遗失；损失；失败 luxuryn.奢侈，奢华；奢侈品 magnificentn.壮丽的；华丽
fiercea.凶猛的，狂热的 financiala.财政的，金融的 fueln.燃料vt.给加燃料 governmentn.政府；治理；政治 gratitudea.感激，感谢，感恩 guaranteen.保证；担保物 gymnas
decaden.十年，十年期 despairn.绝望vi.绝望 desperatea.拼死的；绝望的 despisevt.鄙视，蔑视 despiteprep.不管，不顾 divorcen.离婚，离异vi.离婚 dormitoryn.集体寝室；
choosevt.选择，挑选；情愿 Christmasn.圣诞节 circlen.圆，圆周；圈子 colleaguen.同事，同僚 college columnn.柱，支柱，圆柱 communicatevi.通讯；传达；传播 communicati
关于这个问题，有很多原因。一个主要原因是车辆增加的数量远快于道路的建设。另一个主要原因是私家车过多而公交车不够。There are several reasons for th