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【单选题】
能成功解释人类可以听到低频声音的理论是( )。A.
共鸣说
B.
行波说
C.
频率说
D.
位置说
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【简答题】补全对话。 Harry, Jordan and William are talking about something. H: Hi, Jordan! 1 . J: I'm looking at these things. What do you think of them? H: Well…Hm... 2 . I think they're cool. W: I don't like sungl...
【单选题】I don't think Harry and Bill ____________before,____________?
A.
have met; haven't they
B.
have met; have they
C.
have seen; do
D.
have seen; don't they
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【简答题】根据衣身和袖子的连接方式，可以将袖子分成三大类：连袖、半连袖、（ ）。
【单选题】听力原文：W Harry, I just spoke with Sue. Her and Frank's flight arrangements are set; they're landing at South Airport at 5:30 on Tuesday. M That's my busiest day. We have a big deadline on Wednesday. I d...
A.
On Tuesday at 5:30
B.
On Tuesday at 7:30
C.
On Wednesday at 5:30
D.
On Wednesday at 7:00
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