A new study in The Lancet says that if current trends （），the result will be unimaginable.

（） is the sutting out or removal of an organ，tissue or other body from teh patiend.

A.Exercise
B.Exsise
C.Exercising
D.Excision

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Both lauching and crying seem to be （） dictated by a rapid change in our autonomic system.

A.behaviors
B.symptoms
C.actions
D.reactions

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