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【单选题】
In the author's opinion, ______.A.
learning plays an important part in most aspects of a child's development and change
B.
there are hardly any principles of learning which are generally accepted
C.
a child never learns anything unless he has some need or desire for it
D.
a child should not be rewarded until he has learned a response
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【单选题】The new stadium being built for the next Winter Olympic Games will be____ the present one.
A.
as three times big as
B.
three times as big as
C.
as big as three times
D.
as big three times as