听力原文:M: Though we didn't win the game, we were satisfied with our performance. W: You did a great job. You almost beat the world champions. It's real surprise to many people. Q: What do we learn from the conversation? (18)
A.
They both enjoyed watching the game.
B.
The man thought the results were beyond their expectations.
C.
They both felt good about the results of the game.
【单选题】The figure shows the curves of two simple harmonic motions. If the two simple harmonic motions can be superimposed the initial phase of the resultant cosine oscillation is ( ).【图片】