Baikal lessons. Your environments. Уроки Байкала. Твои окружающие среды. Методическое пособие для изучающих экологию на английском языке

This passage is about

(A) fishing

(B) acid rain

(C) air pollution

(D) destructive human activity

2.Every year thousands of species of animals

(A) are hunted for their meat and skins

(B) migrate to other places

(C) starve to death

(D) die out

3.Acid rain is caused by

(A) natural gas

(B) the ozone layer depletion

(C) acidic lake water

(D) emissions of industrial enterprises.

4.Which of the following is true?

(A) Dead fish in lakes is only problem caused acid rains.

(B) Scientists are sure that acid rains are not harmful for mankind.

(C) If we don’t make an attempt to stop acid rains we may never see some animals again.

(D) There’s no reason to worry about several trees that died of some unknown disease.

5.What was not mentioned in the text?

(A) Acid rain is capable of dissolving some rocks and stones.

(B) Fish are unable to live in the water containing acidic chemicals.

(C) Coal, oil or gas form dangerous combinations after being burnt.

(D) Scientists reckon that if some larger animals can be affected by acid rains, people may be in great danger.

6. Factory smoke

(A) stays over the factories.

(B) is usually clean now.

(C) turns into air.

(D) can travel hundreds of miles.

7. Scientists think acid rain

(A) is killing people

(B) helps kill bugs.

(C) fertilises the soil

(D) is killing trees.

8.The word bug in this context means

(A) an infectious disease

(B) a small insect

(C) a dangerous bird

(D) a small animal

Look for 10 words from the text «Acid Rains»

Insert the letters

– a_idic

– s_ientist

– c_emicals

– chan_e

– c_use

– e_fect

– we_ther

– im_ortant

– d_seas

– de_r

Translate into English

– Во многих озерах рыба погибает.

– Озера становятся более кислотными.

– Кислотные дожди – это разновидность загрязнения

воздуха.

– Кислотная вода подобна уксусу или лимонному соку.

– Некоторые разновидности деревьев не могут жить в почве, которая очень кислая.

– На некоторых больших площадях деревья погибают.

Up in the sky

When we look up, we see the clouds and the blue sky. But there are other things in the sky that we don’t see. Some of these are harmful to the Earth.

What happens

When power plants burn coal to make electricity, and when cars burn gasoline, invisible gases are released into the air.