Hướng dẫn và trắc nghiệm nghe toefl itp thuộc 20 câu sau - Mã 99103135

31.Q: What are speakers mainly discussing?

How water originated on Earth.

A new estimate of the age of Earth.

The effect of the atmosphere on rainfall.

How conditions on Earth support life.

32.Q: What did recent photographs from a space satellite indicate?

The surface of Earth contains tons of cosmic dust.

Volcanic activity is increasing.

Thousands of comets are colliding with Earth’s atmosphere.

The surface of the ocean is expanding.

33 Q: According to the new theory, where did ocean water come from?

Disintegrating comets.

Gases in the atmosphere.

Underground water that rose to the surface.

Water vapor.

34 Q: What group disagrees with the new theory described in the conversation?

Geologists.

Oceanographers.

Biologists.

Astronomers.

35 Q: What aspect of volcanoes does the woman mention?

They were most active when Earth was first formed.

They are found under the oceans.

Their emissions created the Earth’s atmosphere.

Their fumes are mostly water.

Hướng dẫn và trắc nghiệm nghe toefl itp thuộc 20 câu sau – Mã 99103135