The phrase "in borderline cases" in Paragraph Six means thatA．when patients can"t make up
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The phrase "in borderline cases" in Paragraph Six means that
A．when patients can"t make up a decision.
B．when antibiotics can be used or not used.
C．when doctors can"t diagnose ear infections.
D．when patients are in dangerous situations.
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正确答案：B
语义题。由题干定位至第六段。borderline意为“边界上的，边界附近的”；“manyofushavebecomemuchmorereluctanttodiagnoseearinfectionsinborderlinecases”说明很多人在可选择的情况下，都不太愿意使用抗生素了．故选[B]．