At times the balance in nature is ______, resulting in a number of possibly unforeseen effects.
A.confused |
B.puzzled |
C.disturbed |
D.troubled |
推荐试卷
At times the balance in nature is ______, resulting in a number of possibly unforeseen effects.
A.confused |
B.puzzled |
C.disturbed |
D.troubled |
试题篮
()