A Different opinion in Britain
B The lie detectors are misleadingly attractive
C The recognition of a method
D The example of using lie detectors
E The principle to find a person’s guilt
F The problem of using lie detectors
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A．Ceils in your brain are called neurons.
B．The more oxygen a neuron consumes, the more blood it needs.
C．FMRI helps scientists to discover which parts of the brain process information.
D．fMRI helps scientists to discover how the brain develops intelligently.

A．Because they want algae to produce sugars and starches.
B．Because they want green plants to become a new source of energy.
C．Because they want to turn plant sugars to a new form of energy.
D．Because they want to make photosynthesis more efficient.