单项选择题
OBDURATE:（）
A．inefficient
B．candid
C．dishonest
D．expressive
E．complaisant
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相关考题
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单项选择题
SALUBRIOUS:（）
A．gradually disabled
B．nasty
C．unwell
D．clumsily handled
E．disgusting -
单项选择题
LEVITY:（）
A．gravity
B．happiness
C．immorality
D．audacity
E．reality -
单项选择题
In the passage, the author is primarily concerned with（）
A．searching for an accurate method of determining whether the universe is finite or infinite
B．discussing problems and possibilities involved in providing a definite picture of the shape of the universe
C．declaring opposition to the notion that spherical geometry is a possible model for the shape of the universe
D．criticizing discredited theories about the possible topologies of the universe
E．refuting the idea that there is no way to tell whether the universe is finite and if so what shape it has
