【单选题】His refusal to walk through the metal detector before boarding the plane ______ the guard's suspicion.
【单选题】听力原文:M: We'd better hurry. I think that's our flight. W: Have I got time to get a newspaper? M: Well, I don't think we have time. Look … W: All right, well, you take that bag, and I'll take this one. ...
C.
At a department store.
【判断题】同步器能够保证变速器换档时,待啮合齿轮圆周速度迅速达到一致,以减少冲击和磨损
【单选题】Passengers will body searches by security guards before boarding the plane.
【判断题】汽车油压传感器可以依靠其内部膜片弯曲程度的大小来传递油压增高或降低的信息。
【单选题】下列是有关显微镜的构造及其作用,其中搭配正确的是( )
B.
细准焦螺旋 —— 调节焦距,使看到的物像更清晰
【简答题】It might take 30 to 40 years for computer newspapers to replace traditional newspapers,because___.
【单选题】Passengers will body searches by security guards before boarding the plane.