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【简答题】
9 ) 同步电机的功角 δ 有双重含义,一是 和 之间的夹角;二是 和 空间夹角。
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【单选题】听力原文：W: Shall we continue, John? M: Yeah. After 'time-out', I'm energetic again! W: You are really interesting! M: You mean I scored?! W: Ha-ha, yes. You are so popular now that many people want to kn...
A.
Being criticized by his teammates.
B.
Having not enough sleep.
C.
Being unable to surf on the Internet.
D.
Being away from home.
【简答题】根音、三音、五音构成____,根音到七音为____的和弦叫做减减七和弦是。
【单选题】听力原文：W: Shall I bring you your coffee now or would you rather have it with your lunch? M: I'd like it now, please. Q: Where did this conversation most probably take place? (13)
A.
At a butcher shop.
B.
At a restaurant.
C.
At a bookstore.
D.
At a grocery store.
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