听力原文:W: What' s the time by your watch?
M: Ten-thirty. But it's three minutes slow.
What's the correct time?
A.10:33.
B.10:27.
C.10:30.
第4题
A.11000
B.12000
C.13000
D.14000
第5题
A.稳定
B.倾覆
C.临界倾覆
D.以上均有可能
第6题
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