听力背景训练营DAY 1测试_历史项目_免费模板

What is the lecture mainly about?

A. The circulation and significance of groundwater

B. How does water circulate

C. Groundwater helps plant crops

D. There are a lot of aquifers in America

How does the professor introduce the High Plains Aquifer?

A. It is the largest aquifer in America.

B. American people dig wells on it.

C. Its saturated zone is wide in area.

D. There is a lot of rainwater in this area.

How does water become underground?

A. Greenhouse effect helps the water underground.

B. Moisture in the air makes water soaked by the ground.

C. Through the good ol’ water cycle.

D. Water evaporation directly leads to the rise of groundwater.

Through which ways below can groundwater leave the ground?[Click on 3 answers]

A. Water seeps down deep enough into the ground

B. It pours down a sloping surface and forms a spring

C. We build wells to get water underground.

D. When the ground surface dips below the water table.

E. If a body surface water flows above the water table.

Why does the professor mention farms in America?

A. To give an example that how much people rely on the groundwater;

B. To illustrate people eagerly need water from aquifers;

C. To show the advanced development of agriculture in America

D. To demonstrate how fast can groundwater be refilled.

What is the professor’s point when talks about the rushing rivers and roaring oceans?

A. Theres usually more water on its way to replenish the aquifer

B. It reminds us to insightfully take precious of water we use every day.

C. We still have got enough water underground to refill those water bodies.

D. It is a big waste of water to irrigate crop plants.

听力背景训练营DAY 1测试