You see, the spring is coming. A: Yeah, it gets cooler and cooler. B: Yeah, it gets colder and colder. C: Yeah, it gets warmer and warmer.

The weather is getting . A: warmer and warmer B: warm and warmer

The fact has worried many scientists _______ the earth is becoming warmer and warmer these years.

35）There seems to be no debate about the ________ that the world will be warmer and warmer if we keep pumping large amounts of greenhouse gases into the atmosphere.

It gets ______ when summer comes. A: warmer and warmer B: cooler and cooler C: hotter and hotter D: hot and hotter

The fact has worried many scientists ______ the earth is becoming warmer and warmer these years. A. what B. which C. that D. though

Scientists agree that we cannot stop the earth getting warmer.

Greenhouse gases trap energy in the atmosphere and make the Earth warmer.

Some birds to warmer places when winter comes.

35）There seems to be no debate about the ________ that the world will be warmer and warmer if we keep pumping large amounts of greenhouse gases into the atmosphere. A: preposition B: proposition C: persuasion D: perception