不定项选择
设级数与都绝对收敛,则也绝对收敛.
A.正确
B.错误
设级数与都绝对收敛,则也绝对收敛.
A.正确
B.错误
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单项选择题
请选择适当的词填空:The scientists will ________ the movement of the moon.
请选择适当的词填空:The scientists will ________ the movement of the moon.
A.observe
B.despise
C.stare
D.peep