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【单选题】
椭圆参数方程为( )(FANUC系统)。A.
X=a*sinθ；Y=b*cosθ
B.
X=b*cos（θ/b）；Y=a*sinθ
C.
X=a*cosθ；Y=b*sinθ
D.
X=b*sinθ；Y=a*cos（θ/a）
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【单选题】In the author's opinion ______ .
A.
the human body can't be compared to a car
B.
the older a person, the more care he needs
C.
too much emphasis has been put on old people's values
D.
it is easy to provide spare parts for old people
【单选题】If a person gives too much weight to recent information compared to prior beliefs, they would make ________ errors.
A.
framing
B.
selection bias
C.
overconfidence
D.
forecasting
【单选题】What was changed for a poor person in the “New World” compared to their life in the old world?
A.
social rank
B.
financial situation
C.
family relationship
D.
land ownership
【单选题】When compared to his state after an overnight fast, a person who fasts for 1 week will have
A.
higher levels of blood glucose
B.
less muscle protein
C.
more adipose tissue
D.
lower levels of ketone bodies in the blood
E.
none of the above
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