In the study, researchers succeeded in determining how coffee ________ different areas of the brain in 15 volunteers.
A integrated
B motivated
C illuminated
D activated
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They are trying to ________ the risk as much as they can by making a more thorough investigation of the market.
A minimize
B harmonize
C summarize
D jeopardize
The cycles of the sun and moon are simple, but ____ forces which have shaped human lives since the beginning.
A frantic
B gigantic
C sensational
D maximum
An effort was launched recently to create the first computer ________ of the entire human brain.
A repetition
B repression
C saturation
D simulation
In the face of the disaster, the world has united to aid millions of ________ people trying to piece their lives back together.
A fragile
B primitive
C vulnerable
D susceptible