单项选择题

A、正确
B、错误

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单项选择题
9.15) Much to our regret, they failed to _____ that the market was beginning to sag.

A、note
B、notice
C、notify
D、aware
单项选择题
表述性话语是指对事实进行断言的言语表达，关乎命题的真假。
A、正确
B、错误