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

31.Q: What are speakers mainly discussing?

How conditions on Earth support life.

The effect of the atmosphere on rainfall.

How water originated on Earth.

A new estimate of the age of Earth.

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

Volcanic activity is increasing.

The surface of Earth contains tons of cosmic dust.

The surface of the ocean is expanding.

Thousands of comets are colliding with Earth’s atmosphere.

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

Gases in the atmosphere.

Disintegrating comets.

Underground water that rose to the surface.

Water vapor.

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

Oceanographers.

Biologists.

Geologists.

Astronomers.

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

They were most active when Earth was first formed.

Their emissions created the Earth’s atmosphere.

They are found under the oceans.

Their fumes are mostly water.

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