The Ozone Layer. (Author-Bouabdellah)

A. Find in the text words close in meaning to the following.

1. in reality =

2. opening =

3. grows =

4. motors =

B.Find in the text words opposite in meaning to the following.

1. thicker =/=

2. safe =/=

3. below =/=

4. diminution =/=

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1. What is happening to the ozone layer?

2. Why is there a hole in the ozone layer?

��because of�

3. Are ultraviolet rays harmful to living beings? Justify.

because the �can .

4. Why are jet planes more dangerous for the ozone layer?

��because they , where .

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Part Two: Mastery of Language.

D. Rewrite the sentences into the passive. Give the agent only when necessary.

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1. The milkman brings the milk to my door but the postman leaves the letters in the hall.

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2. Normally dustmen sweep this street every day, but nobody swept it last week.

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E. Match the following clauses to make �4� meaningful conditional sentences.

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1. He will certainly win if he had enough money.if he had been on time.unless he�s better.if he enters the competition.

2. He won�t go to work if he had enough money.if he had been on time.unless he�s better.if he enters the competition.

3. He would buy that vase if he had enough money.if he had been on time.unless he�s better.if he enters the competition.

4. He wouldn�t have missed the meeting if he had enough money.if he had been on time.unless he�s better.if he enters the competition.

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F.� SOS activity: Writing. (This is an extra activity you may not do it. But you can do it on a double sheet of paper and had it to your teacher for appreciation)

Have you ever planted a tree?

Leonardo da Vinci