XI. Fill in the appropriate preposition.

(for, of, from)

1. Leaves are usually admired … their artistic shapes, their beautiful green colour, the cool shade they give on a hot day.

2. A leaf is an expanded organ … a plant, produced laterally … its root or stem.

3. The blade … a leaf is attached to a stem by a petiole or a leafstalk.

4. Each leaf trap a bit … energy … the light that enters its tissues.

5. Instead … electricity, the leaf is storing up the energy of sunlight. 

 

XII. Fill in the appropriate word.                    

1. A stipule is a very important part of a ….

2. The elm may release a ton of … per day when its leaves are fresh.

3. The flat, green, part of a leaf is called the ….

4. Food making goes on only in daylight, but water flows into leaves day and ….

 

XIII. Complete the sentences.

1. Leaf is an expanded organ of a plant, produced ….

2. Leaf is usually green and consists of ….

3. Leaves are usually admired for their ….

4. The leaf has so much chlorophyll to catch light energy that it gives ….

 

XIV. Translate the sentences using the active vocabulary.

a) Прилистники встречаются реже и бывают не у всех растений.

Все части листа выполняют различные функцию

При помощи узкого стеблеобразного черешка пластинка листа      

прикрепляется к листу.

С помощью листьев можно размножать некоторые растения.

Пластинка листа, может быть, простой и сложной.

Цвет листа может быть не только зеленой, но также красный, желтый,    

коричневый.

b) The stipules of magnolia and tulip – tree leaves protect the winter buds as

bud scales.

Stipules often render valuable services to the plant, but they are not     

indispensable.

The Leaf blade is equipped to trap the energy of sun light with its long    

palisade cells.

The leaf has so much chlorophyll to catch light energy that it gives the       

beautiful green colour.

The leaf is usually flattened and expanded horizontally.

 

XV. Find in the text the sentences with the Modal Verbs and make them negative and interrogative.

 

XVI. Answer the questions.

1. What is a leaf?

2. Is leaf an expanded organ of a plant?

3. What colour is a leaf?

4. What is a blade?

5. A Footstalk is a mean by which a leaf is attached to the stem, isn’t it?

6. What is stipule?

7. Do leaves look like flowers?

 

XVII. Make up the plan of retelling the text.

XVIII. Retell the text

 

Lesson VII

Leaf structure

The rules of reading: Letter combinations ai, ay, ey, eigh;

Grammar: Modal Verbs should and would

Text: Leaf structure

The following letter combinations are pronounced as [ei]:

ai          rain

ay        day

ey       they

eigh      eight

 

I. Read the words according to the rules.

play, clay, stay, grey, weight, say, lay, strain, tray, pray, weigh

 

Remind Grammar (look at grammar reference)

1. a) We use should to give advice or to give an opinion:

e.g.: You look tired. You should go to bed.

   Should we invite Susan to the party? – Yes, I think we should.

b) We also, use should to say that we expect something to happen:

e.g.: She’s been studying hard for the exams, so she should pass. (I expect her to the exams.)

2. a) We use would when we imagine a situation of action:

e.g.: It would be nice to have a holiday but we cannot afford it.

b) We can also use would when we talk about things that happened regularly in the past:

e.g.: When we were children, we lived by the sea. In summer, if the weather was fine, we would all get up early and go for a swim. (we did it regularly)

 

II. Answer the questions.

1. When do we use the Modal Verbs should and would?

2. How do we translate the sentences with the modal verbs should and would?

3. What are the other functions of should and would?

 

III. Complete the sentences using should + one of these verbs.
ask be    listen say worry

1. It’s strange that she should be late. She’s usually on time.

2. It’s funny that you …... that. I was going to say the same thing.

3. It’s only natural that parents …... about their children.

4. I was surprised that he …… me for advice.

5. It’s very important that everybody …… very carefully.