【简答题】Passage Three:Questions 31 to 35 are based on the following passage.“... We are not about to enter the Information Age but instead are rather well into it.” Present predictions are that by 1990, about...
【单选题】Duty is an act or a course of action that people _______ you to take to by social customs,law or religion. [ ]
【判断题】太阳照到森林里,在地上形成斑斑驳驳的圆形光斑是太阳的虚像
【简答题】[A] activity [B] action [C] act [D] acting
【单选题】We are offering you firm________ on the same terms and conditions as the previous contract.
【单选题】一个被测量体系外柱按上一个 U 型压差计 , 出现如图情况 , 说明体系与大气压是( ) 关系
【单选题】A I have two friends. They are Tom and Jim. We go to school at seven o'clock. We go home at five in the afternoon. We go to bed at about nine thirty. I have a clock. I put it on the desk. Tom has an o...
【单选题】We ___________ on it for many hours, but we have not yet reached any conclusion. A. are being worked B. are working C. have been working D. have been worked