问题

dioxide, which makes a ______ between us andthe sun, prevents heat from getting out of the atmosphere easily, so the earthis becoming warmer

A:as well as
B:no better
C:no worse
D:not better

正确答案是：

同类题型

When I met him the other day, it was the first time we _____ each other since we were at school.[ ]

下列各句中，没有语病的一项是（）

I do some explanations I________ to call on you yesterday,but someone came to see me justwhen I was about to leave.

not accept any of the manyofferings,because I found_____satisfactory

Do you like basketball or soccer–_______. Soccer is too hard for me.