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
Today the Zhongxin Department store is on sale .Many things have ______prices .
#20729
A
regular
B
special
C
cheap
D
ordinary .
-How do you find the Chinese Character Dictation Competition on CCTV?. - Great! It has brought us a wonderful experience and can't be
#17880
A
as educational
B
so educational
C
most educational
D
more educational
The newly ________ president is going to carry out a series of projects in many fields.
#18949
A
elected
B
electing
C
to elect
D
being elected
After five days of fantastic space trip, the two astronauts walked out of the spaceship, _____.
#18567
A
tired but happy
B
tiredly but happily
C
tiredly and happily
D
tired and happy
The chairman said in the meeting that he would be ________ towards all opinions and consider them seriously.
#18307
A
respectful
B
proud
C
capable
D
careful