单项选择题

案例分析题 Which of the following is TRUE of the passage about online distance learning

A．It has more disadvantages than advantages.
B．It is a learning form based on internet.
C．It is not available for some students.
D．It has only enrichment classes.

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单项选择题

From what Mr. Collins said, we can know that he ______.

A．had only an incomplete picture of what happened
B．heard and saw nothing at all
C．talked to the pilot
D．was once a pilot

单项选择题

The news report tells us that when the crash occurred ______.

A．the ambulances and firemen arrived quickly
B．none of the passengers was killed
C．no additional help was necessary
D．help was long delayed