问题
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The lowest ring of a piston is _____.A.a coil springB.a sealing ringC.an oil distributor r
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For a distributor to be successful, the exporter mustA.focus on one particular region.B.fi
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What will probably happen next?A.The speakers will board their plane.B.The woman will resc
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What will probably happen in December?A.The store will open.B.The decorator will finish hi
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What will happen at noon?A.The next radio program will begin.B.The program guest will make
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What does the phrase "pill poppers" (Line 5,Para. l)mean?A.Pill distributors.B.Pill manufa