【简答题】5谈话意图.mp3: 听下面 12 段对话。每段对话后面有一个小题,从题中所给的 A 、 B 、 C 三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有 10 秒钟的时间来回答有关小题 和阅读下一小题。每段对话仅读一遍。 1. What does the woman mean? A. Of course, you can. B. No, please don’t. C. You ...
【单选题】A spacecraft built in the shape of a sphere moves past an observer on the Earth with a speed of 0.500c. What shape does the observer measure for the spacecraft as it goes by?
A.
a sphere
B.
a cigar shape, elongated along the direction of motion
C.
a round pillow shape, flattened along the direction of motion
D.
a conical shape, pointing in the direction of motion