For what a purpose did the researchers use raw potato starch in their experiment？
A. They wanted to observe how the leucocyte levels reduced in the experimental pigs.
B. They wanted to simulate the effects of a diet high in resistant starch.
C. They wanted to see how much potato an experimental pig ate every day.
D. They wanted to see how much body weight each experimental pig gained in the end.
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In the view of biologist Lewontin, intelligence
A. was a matter of genetic traits.
B. had little to do with environments.
C. could be improved with human efforts.
D. was profoundly affected by inheritance.
According to some authorities, there will be expected a class of supersmart children because of
A. the booming of higher learning.
B. the revived zeal for marriage.
C. the denial of the supposed inferiority of parents.
D. the shift of one scale of measurement to another.
银行存款日记账的日期栏，应按开户银行实际收、付款项的日期填列。 ()
A. 正确
B. 错误
听力原文：Paul always carries his dog in his car when he goes out.
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