However，at times this balance in nature is＿＿，resulting in anumber of possibly unforeseen effects．
#20358
A
troubled
B
disturbed
C
confused
D
puzzled
推荐题目
Mother was always a bit __________ if we failed to arrive home on time especially on weekends.
#17937
A
curious
B
anxious
C
conscious
D
eager
The movie originally ________ for children under 12 is now being used to educate adults
#18304
A
intended
B
being intended
C
to be intended
D
having been intended
---Do you still remember the accident? --- Yes. Actually, I have experienced nothing more ________.
#18890
A
frighten
B
to be frightening
C
frightened
D
frightening
______ in the woods, the cottage was a good shelter from the enemies.
#18300
A
Being hidden
B
Having hidden
C
Hidden
D
Hiding
He is very popular among his students as he always tries to make them in his lectures.
#18012
A
interesting
B
interested
C
interest
D
to interest