问题
选择题
At times this balance of nature is ____, resulting in a number of possibly unforeseen effects. [ ]
A. troubled
B. confused
C. interrupted
D. disturbed
答案
答案:D
At times this balance of nature is ____, resulting in a number of possibly unforeseen effects. [ ]
A. troubled
B. confused
C. interrupted
D. disturbed
答案:D