Half a century ago, parts of the Thames were “biologically dead” because o

题干

Half a century ago, parts of the Thames were “biologically dead” because of the pollution.

A．declared

B．imagined

C．sensed

D．marked

上一题下一题 0.64难度单项选择更新时间:2015-07-03 05:03:12

小学学科试题库

初中学科试题库

高中学科试题库