单项选择题

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A.anemia.
B.shingles.
C.hepatitis.
D.HIV.
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单项选择题
A.customer and estate agent.B.customer and travel agent.C.customer and shop assistant.D.customer and lawyer.
A.customer and estate agent.
B.customer and travel agent.
C.customer and shop assistant.
D.customer and lawyer.
单项选择题
A.K10-15.B.K20-24.C.E10-12.D.F1-3.
A.K10-15.
B.K20-24.
C.E10-12.
D.F1-3.
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