If the balance of nature is ____ , a series of problems will arise .
#77442
A
disturbed
B
troubled
C
interrupted
D
confused
推荐题目
She tried to stay calm on the stage, but her trembling voice _______ her nervousness.
#72406
A
gave away
B
gave up;
C
gave off
D
gave out
While listening carefully, the students___ what their teacher said.
#69711
A
set down
B
turned down
C
got down
D
calmed down
Look at the pride on Tom’s face. He _____to have been praised by the manager just now.
#66525
A
seemed
B
seems
C
had seemed
D
is seeming