Experts warn that global warming will cause extreme climate changes including mo

题干

Experts warn that global warming will cause extreme climate changes including more______ floods, heat waves and droughts.

A．usual

B．ordinary

C．frequent

D．common

上一题下一题 0.64难度单项选择更新时间:2015-02-05 09:21:04

小学学科试题库

初中学科试题库

高中学科试题库