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举一反三
【单选题】You’’re in trouble if you have to buy your own brand-name prescription drugs. Over the past decade, prices leaped by more than double the inflation rate. Treatments for chronic conditions can easily t...
A.
A quarter of Americans can’’t afford their prescription drugs.
B.
Many Americans can’’t afford to see a doctor when they fall ill.
C.
Many Americans have to go to Canada to get medical treatment.
D.
The inflation rate has been more than doubled over the years.
【单选题】You’re in trouble if you have to buy your own brand-name prescription drugs. Over the past decade, prices leaped by more than double the inflation rate. Treatments for chronic conditions can easily to...
A.
encouraging people to buy prescription drugs online
B.
extending medical insurance to all its citizens
C.
importing low-price prescription drugs from Canada
D.
exercising price control on brand-name drugs
【单选题】对于双支承的半悬挂舵，上支承点的位置是________，下支承点的位置是________。
A.
舵机甲板上;舵杆筒口
B.
船体上;舵叶的半高处
C.
舵叶的半高处;舵托处
D.
舵机甲板上;舵托处