A.He failed to finish the experiment that day.
B.Hs hasn't had time to do the experiment.
C.He did only part of the experiment.
D.The experiment turned out well.
A、acute and in vitro physiological experiment.
B、acute and in vivo physiological experiment.
C、cell culture
D、histological experiment
The aim of voyages Maury encouraged in the 1840s was ______.
A.to make some sound experiments in the oceans
B.to collect samples of sea plants and animals
C.to estimate the length of cable that was to be made
D.to measure the depths of two oceans
The bias blind spot can prompt a scientist to______.
A.overemphazise the value of experiments
B.refuse to accept the failure of his experiments
C.discard some valuable data
D.disbelieve data collected by others
Implies but not stated:
A.Psychologists do not yet know how people see.
B.The best experiments are those in which all factors are controlled.
C.The study of perception is going on now.
D.Perception does not involve psychological factors.
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