Carbon dioxide, which makes a ______ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
#13856
A
difference
B
comparison
C
connection
D
barrier
推荐题目
When we visited Zhou Zhuang again ten years later, we found it changed so much that we could hardly ________ it.
#13690
A
request
B
recognize
C
swap
D
realize
It is reported that the scientists in our country are_______all possible way to control H7N9 flu.
#12027
A
operating
B
solving
C
exploding
D
exploring
We haven’t seen ________ of her films, but ________ from the one I have seen recently, I think she is a promising actress.
#12483
A
all; judging
B
both; judging
C
either; judged
D
none; judged
The generation________makes it difficult for parents to understand their children’s opinions.
#10967
A
division
B
gap
C
separation
D
interval