GRADE 8_UNIT 7_03

Overfertilization contributes to soil pollution,

• because of aircraft noise.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• so you only need to apply fertilizer once or twice per year.

Answer explanation

Chú ý vào 2 chữ "overfertilization" và "fertilizer" thấy giống nhau thì chọn

Fertilization (n) sự bón phân

Over + ____ = _____ quá mức

to contribute (v) góp phần

to apply fertilizer = bón phân

fertilizer (n) phân bón

Because there is so much light pollution from the ground,

• because of aircraft noise.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• people cannot see the stars in the night sky.

Lake, river, ocean and ground water get contaminated

• because of aircraft noise.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• that people could only see a few meters in front of them.

Answer explanation

discharge of (n) sự thải ra, sự đổ ra

Carbon monoxide is a poisonous gas

• that can lead to health problems.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• that people could only see a few meters in front of them.

Answer explanation

Carbon monoxide = CO

The polluted fog became so thick

• that can lead to health problems.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• that people could only see a few meters in front of them.

Answer explanation

fog (n) sương mù

People living near the airport aren’t getting enough sleep

• because of aircraft noise.

• due to discharge of pollutants in the water bodies.

• that can lead to health problems.

• as a result of the removal of vegetation.

• so you only need to apply fertilizer

  once or twice per year.

Answer explanation

Chú ý 2 chữ "airport" và "aircraft"

Since air pollution is a threat to human health,

• because of aircraft noise.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• people cannot see the stars in the night sky.

Answer explanation

to threaten (v) đe dọa

threat (n) sự đe dọa

The soil is exposed and vulnerable to erosion

• that can lead to health problems.

• due to discharge of pollutants in the water bodies.

• everybody should try their best to reduce it.

• as a result of the removal of vegetation.

• people cannot see the stars in the night sky.

Answer explanation

to expose (v) phơi bày, phô ra

exposed soil = đất trọc

vulnerable (adj) dễ bị tổn thương, dễ bị làm hại

erosion (n) sự xói mòn, sự ăn mòn

removal (n) sự di dời, sự xóa bỏ

The river water is severely polluted, mostly ________ the dumping of raw sewage.

• due to

• lead to

• because

• so

Answer explanation

severely (adv) một cách nghiêm trọng

raw (adj) thô, sống (chưa chín), chưa tinh chế

Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians.

• come up

• result in

• dump into

• thank to

Answer explanation

sudden (adj) đột ngột, thình lình

mass (adj) số nhiều, số đông

amphibian (n) động vật lưỡng cư