However, at times this balance in nature is disturbed by human activities, _______ a number of possibly unforeseen effects.
#65149
A
lying in
B
calling in
C
taking in
D
resulting in
推荐题目
I’m preparing the report for tomorrow’s meeting. Would you please _____ the radio a little?
#66314
A
turn on
B
turn off
C
turn up
D
turn down
His idea was considered ______. which of the following ones is wrong ?
#65086
A
to be the best
B
as the best one
C
the best
D
being the best
The house is finished at last. All their hard work has ________.
#71586
A
paid back
B
paid up
C
paid off
D
paid for
All schools in our province new English textbooks to improve students’ listening，speaking，reading and writing abilities three years ago.
#73724
A
admired
B
admitted
C
adopted
D
afforded