单项选择题

A．He was the first person to appear on television.
B．It was he who discovered the wonder of television.
C．He made the very first step towards the invention of television.
D．He developed the television and was the first person to demonstrate it.
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单项选择题
A．Mark the latest homework assignment.B．Put a cancellation notice on the classroom door.C．Make an appointment with the doctor.D．Return some exams to his students.
A．Mark the latest homework assignment.
B．Put a cancellation notice on the classroom door.
C．Make an appointment with the doctor.
D．Return some exams to his students.
单项选择题
A．Everyone understands Einstein’s theory today.B．Einstein achieved more than any other scientists in history.C．The Theory of Relativity can be quickly learned by everyone.D．Our ideas about the universe are different today because of Einstein.
A．Everyone understands Einstein’s theory today.
B．Einstein achieved more than any other scientists in history.
C．The Theory of Relativity can be quickly learned by everyone.
D．Our ideas about the universe are different today because of Einstein.
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