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Online learning is also called distance education. Many American colleges and
universities have been offering it for years. Online classes are usually taught by 31 who
have been trained in online teaching. These classes can be highly interactive, 32 students
communicate with each other and their teachers. Some classes require students to all log in
at the same time so they can 33 live lectures by a professor. Students can also ask
questions and work together on team projects. Many schools offer online education. Students
should be especially careful of programs that offer a degree 34 for little or no work. These
are known as diploma mills, and are illegal in the United States. Educational advisers also say
that before you enter any program, make sure the work will 35 in your country.
【題組】31. (A)technicians (B)colleagues (C)professors (D)nurses
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