Such phenomena as this _____now widely accepted，of which，however，some___ abstra

题干

Such phenomena as this _____now widely accepted，of which，however，some___ abstract
to understand.

A．are；seem	B．is；seems
C．are；seems	D．is；seem

上一题下一题 0.64难度单项选择更新时间:2015-11-26 05:19:22

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