单项选择题


A．puts
B．interprets
C．assumes
D．makes
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单项选择题
A．predictsB．displaysC．provesD．discovers
A．predicts
B．displays
C．proves
D．discovers
单项选择题
The chickens Eijkman noticed in the hospital yard______.
A．couldn't digest the huskless rice
B．proved beriberi is transmitted by germs
C．were later cooked for the patients' food
D．were suffering from vitamin deficiency
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