However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
#19249
A
troubled
B
disturbed
C
confused
D
puzzled
推荐题目
The research lacks evidence, and therefore, its conclusions are doubtful.
#19032
A
solid
B
fierce
C
severe
D
potential
So many years have passed and the terrifying accident is still ______in her mind.
#18461
A
new
B
different
C
fresh
D
violent
Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.
#19543
A
sensitive
B
addicted
C
allergic
D
efficient
．After a long walk, the little boy got home at last, ________.
#19891
A
tiredly and hungrily
B
tiring and hungry
C
tired and hungrily
D
tired and hungry
It was a really_____experience. Afterwards everybody was very_____ .
#19040
A
terrifying; shocking
B
terrified; shocking
C
terrifying; shocked
D
terrified; shocked