# Английский язык. Ильичева Н.А - 41 стр.

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41
went horse-riding; Philip painted the ceiling in his room light blue. I spent the
1. Who had black grease on her hands at teatime? Why?
Helen, because she had been repairing her car.
2. Who had dirt on her hands and knees? Why?
3. Who was wearing a short white skirt? Why?
4. Who was wearing a white jacket and trousers and a black belt? Why?
5. Who was wearing high boots and a hard hat? Why?
6. Whose hair had light blue streaks in it? Why?
7. Whose hair was all wet? Why?
21. Fill in the Present Perfect Simple or Continuous or Past Perfect Simple
or Continuous.
1. Her feet ached last Monday. She ……… (walk) for six hours.
2. Dan is cold. He ……… (swim) in the lake.
3. He cant pay the bill. He …… (lose) his wallet.
4. He wrote his article after he …… (gather) enough material.
5. He was hot. He …… (run) for an hour.
6. She ……(clean) the house by 6 oclock.
7. Her eyes are red. She …… (cry).
Unit V
Heat
1. a Can heat flow from a colder object to a hotter object when in thermal
contact?
b What examples of heat transfer in everyday life can you give? (e.g. We
can feel the warmth of the fire on exposed skin; heat from the Sun
reaches the Earth, etc.)
c How do people use a knowledge of the methods of heat transfer to
prevent heat transfer in everyday life? (e.g. thermos bottle, etc.)
2. Read the summary and choose the correct word. Then read the text and
check if your guesses were correct.
When two objects are kept a) at a distance / in contact, heat flows from a
hot object to a cooler one. The b) spontaneous / arranged flow of heat is
always in the direction to equalize the temperature. Heat is a form of energy.
When heat is c) removed from / added to a substance, the temperature
                                       41

went horse-riding; Philip painted the ceiling in his room light blue. I spent the

1. Who had black grease on her hands at teatime? Why?
Helen, because she had been repairing her car.
2. Who had dirt on her hands and knees? Why?
3. Who was wearing a short white skirt? Why?
4. Who was wearing a white jacket and trousers and a black belt? Why?
5. Who was wearing high boots and a hard hat? Why?
6. Whose hair had light blue streaks in it? Why?
7. Whose hair was all wet? Why?

21. Fill in the Present Perfect Simple or Continuous or Past Perfect Simple
or Continuous.
1. Her feet ached last Monday. She ……… (walk) for six hours.
2. Dan is cold. He ……… (swim) in the lake.
3. He can’t pay the bill. He ……… (lose) his wallet.
4. He wrote his article after he ……… (gather) enough material.
5. He was hot. He ……… (run) for an hour.
6. She ………(clean) the house by 6 o’clock.
7. Her eyes are red. She ……… (cry).

Unit V
Heat

1. a Can heat flow from a colder object to a hotter object when in thermal
contact?
b What examples of heat transfer in everyday life can you give? (e.g. We
can feel the warmth of the fire on exposed skin; heat from the Sun
reaches the Earth, etc.)
c How do people use a knowledge of the methods of heat transfer to
prevent heat transfer in everyday life? (e.g. thermos bottle, etc.)

2. Read the summary and choose the correct word. Then read the text and
check if your guesses were correct.

When two objects are kept a) at a distance / in contact, heat flows from a
hot object to a cooler one. The b) spontaneous / arranged flow of heat is
always in the direction to equalize the temperature. Heat is a form of energy.
When heat is c) removed from / added to a substance, the temperature