Cultural ___ indicates that human beings hand their languages down from one generation to another.
A.translation
B.transition
C.transmission
D.transaction
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We must look beyond ___ and assumptions and try to discover what is missing.
A.justifications
B.illusions
C.manifestations
D.specifications
I'd rather you ___ by train because the weather forecast said there would be heavy snow tomorrow.
A.went
B.should go
C.will go
D.do
一般来说,两组份的等分子反相扩散体现在单元操作中,而A组份通过B组份的单相扩散体现在 操作中。