单项选择题

We can infer from Paragraph 4 that

A．the length of the courses in distance education is shorter than that of college courses.
B．distance education only provides courses of low levels.
C．students need not spend a lot of money on getting a diploma in distance education.
D．students can enjoy a great variety of subjects provided by distance education.

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单项选择题

In significant illness, patients can

A．choose what treatment they receive.
B．decide the price of their treatment.
C．pay only the about 75-80 percent of the expenditures.
D．have no options for treatment and price.

单项选择题

We learn from Paragraph 5 that

A．hospitals usually represented by physicians play the decisive role.
B．the payer can check the. bill given by the physician/hospital.
C．the patients play the decisive role.
D．the payers play the decisive role.