单项选择题

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A.It allows them to meet students from other universities.
B.It promotes the concept of self-learning.
C.It allows more flexibility in students’ schedules.
D.It doesn’t require any examinations.
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单项选择题
A.So that they are protected from scratches by the crane’s talons.B.So that they aren’t exposed to infectious diseases.C.So that the chicks can be examined in a sterile environment.D.So that the chicks don’t become dependent on human being.
A.So that they are protected from scratches by the crane’s talons.
B.So that they aren’t exposed to infectious diseases.
C.So that the chicks can be examined in a sterile environment.
D.So that the chicks don’t become dependent on human being.
单项选择题
A.It must be the right height.B.It must have several gears.C.It must have good tires.D.It must be the right weight.
A.It must be the right height.
B.It must have several gears.
C.It must have good tires.
D.It must be the right weight.
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