We have to admit that the biggest___________ facing the ecosystem is limited resources and the worsening environment.
#12389
A
mission
B
challenge
C
scale
D
contribution
推荐题目
I know he failed his last test, but really he’s ________ stupid.
#12905
A
something but
B
anything but
C
nothing but
D
not but
The dictionary is of great use to me. I would gladly have paid for it.
#14120
A
twice as much
B
twice as many
C
much as twice
D
many as twice
(2013·陕西宝鸡模拟)After Queen Elizabeth officially opened the 2012 Summer Olympics, London became the first city ________ three Olympic Games in history.
#11364
A
to have hosted
B
hosting
C
hosted
D
having hosted
Luckily, the accident didn’t do________ either of the cars.
#12477
A
much damage in
B
many damages in
C
much damage to
D
damages to
—It’s so hot. What about getting a drink? —Good idea. It’s my___ .
#10921
A
treat
B
charge
C
trade
D
cost