单项选择题

A．The test pilot may lose his life.
B．The plane falls down like a stone.
C．The test is made at extremely high altitudes.
D．The engines are not in working order.
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单项选择题
According to the passage, which of the following statement is true
A．A change in the educational system will eliminate the need to cheat.
B．The problem of student cheating has its roots in deeper problems.
C．Students do not cheat on essay tests.
D．Punishment is an effective method of stopping cheating.
单项选择题
One’’ s brain becomes blank when he or she doesn’’t have a dream.
A．Y
B．N
C．NG
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