单项选择题

According to the author, a key factor in the ability to reason is ______.

A．the subject's knowledge of grammar
B．the amount of sleep the subject has had
C．the level of arousal of the subject
D．the extent to which the subject has been taught to mason
<上一题 目录 下一题>
热门 试题

单项选择题
According to the brain blood flow studies, problem solving ______.
A．increases blood flow in some areas of the brain
B．causes changes in the distribution of blood in the brain
C．demands intense concentration of blood in certain areas
D．is based on the ability to recite the time
单项选择题
The author believes that ______.
A．the results obtained in the laboratory exactly reflects the real-life situations
B．the gap between the laboratory studies and real-life situations is too large to fill up
C．the gap between the laboratory studies and real-life situations eau be closed by proper reasoning
D．the difference between the laboratory studies and real-life situations will be reduced
相关试题