Выберите нужный вариант из предложенных в скобках.
1. There is a great difference between day and night temperatures in deserts.
2. The sun heats the rocks and causes them to expand.
3. At night rocks cool and contract.
4. Constant expansion and contraction causes the outer layers to crack.
5. The eroded rocks disintegrate to form particles small enough to be carried by the wind.
6. The distance depends on the size of the particles and strength of the wind.
7. When sand is blown by the wind, it is too) heavy to be carried in suspension.
И запишите перевод на русский
1. В пустынях существует большая разница между дневной и ночной температурой.
2. Солнце нагревает камни и заставляет их расширяться.
3. Ночью камни остывают и сжимаются.
4. Постоянное расширение и сжатие приводит к тому, что внешние слои трескаются.
5. Эродированные породы распадаются, образуя частицы достаточно мелкие, чтобы их мог унести ветер.
6. Расстояние зависит от размера частиц и силы ветра.
7. Когда песок сдувается ветром, он слишком тяжел, чтобы его можно было переносить во взвешенном состоянии.
Упражнение 1
1. I am standing in the classroom now.
2. Pete is not reading a book now.
3. Pupils are listening to the teacher. now.
4. They are playing games now.
5. My friend is not helping me now.
6. Is she dansing with Fred now?
Упражнение 2
1. Is
2. Am
3. Are
4. Is
5. Is
6. Are
7. Is
8. Are
9. Is
10. Is
Упражнение 3
1 Is raining
2. Am playing
3. Is coming
4. Is climbing
5. Is drinking
6. Is speaking
Упражнение 4
1. We are not listening to the teacher. 2. I am not writing on the paper. 3. You are don't learning English Grammar. 4. It is not raining hard (сильно). 6. He is not going to the cinema. 6. The horses are not running very fast. 7. Mary is not helping her mother to cook. 8. I am not working very hard (много). 9. Tom’s brother is not coming to the party. 10. You are not singing well.
Упражнение 5
1. Bess is not helping about the house now. 2. My friend is not playing the piano now. 3. We are not listening to music. 4. The farther so not working in the garden. 5. The boy is not riding a bike. 6. He is not looking at the pictures in the book. 7. Richard and Henry are not swimming in the river in summer. 8. He is not having tea for breakfast. 9. She is not making a cake. 10. Kate is not dancing
Упражнение 6
1. Are we listening to the teacher?
2. Am I writing on the paper?
3. Are you learning English Grammar?
4. It is not raining hard
5. He is not going to the cinema
6. Horses are not running very fast
7. Mary is not helping her mother to cook
8. I am not working very hard
9. Tom's brother is not not coming to the party
10. You are not singing well