單項(xiàng)選擇題Lines drawn through points on the earth having the same atmospheric pressure are known as（）.
A.isothermal
B.millibars
C.isobars
D.seismics
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A.used
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C.met
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2.單項(xiàng)選擇題My ship sailed（）port of Shanghai, bound（）Rotterdam.
A.from, for
B.for, on
C.on, at
D.at, from
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