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单项选择题
A．A shortage of insulin.B．A shortage of water.C．A heavy load of sugar.D．A heavy load of urine.
A．A shortage of insulin.
B．A shortage of water.
C．A heavy load of sugar.
D．A heavy load of urine.
单项选择题
A．Two days.B．The whole month of December.C．Ten days.D．Only the first week of December.
A．Two days.
B．The whole month of December.
C．Ten days.
D．Only the first week of December.
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