Lesson 2. 2. Plants in ecosystem
1. Translate the sentences paying special attention to the word as and word combinations containing this word:
1. Wheat as well as barley and rye grows best under cool climatic conditions.
2. Many crops are used as food for man and animals.
3. Some crops such as corn, cotton and soybeans require high temperature for good growth.
4. Air is required by plants as it supplies oxygen and carbon dioxide.
5. Improved cultivation practices are used on our farm and on other farms of our region as well.
6. Climate is as important for plant growth as soil.
2. Fill in the gaps with the words from text A in the appropriate form:
1. Environmental ... are a very important factor for good plant growth.
2. Soil humidity is influenced by the average annual ... .
3. Most small grains ... to long-day crops.
4. Such crops as ... and ... do not require high temperature.
5 Plants obtain oxygen and carbon dioxide from the ... .
6 The growth of cotton is not ... by the length of the day.
7 Many grasses ... cool climate for their development.
8 Cotton ... best under warm climatic conditions.
9 Different crops require the ... ... of different length.
10 Crops should be well ... to environmental conditions.
3. Translate from Russian into English. Use the Vocabulary Focus and text A of this Unit. Complete the task in written form.
а)
1. На рост растений влияют условия окружающей среды.
2. Растения хорошо развиваются в благоприятных условиях.
3. Климат является важнейшим фактором окружающей среды.
4. Почва, свет и воздух также важные факторы окружающей среды, которые влияют на развитие растений.
5. Растения не могут хорошо расти в неблагоприятных условиях.
b)
6. Окружающая среда – это условия, в которых растения развиваются.
7. С.-х. культуры растут хорошо, если они приспособились к окружающей среде.
8. Одним из важнейших факторов окружающей среды является климат.
9. Некоторые растения требуют более теплых климатических условий, другие растут лучше в прохладном климате.
10. Пшеница, рожь, овес, ячмень, свекла, картофель растут лучше в прохладных климатических условиях.
11. Кукуруза, рис, соя и хлопок требуют более теплых условий.
12. Почва, свет и воздух также являются важными факторами окружающей среды.
13. Влажность почвы зависит от среднегодовых осадков.
14. Свет влияет на важные процессы в жизни растений.
15. Растения не развиваются в неблагоприятных условиях окружающей среды.
Listening and Speaking Focus
4. Watch the video and say which of the factors mentioned in text A are referred to: https://www.youtube.com/watch?v=oKkfAW6TWg4&ab_cannel=MaribelleBreceda
Grammar and vocabulary activities
5. Arrange the questions so that they serve as a plan to text A, and answer them.
1. Why is air necessary for plants?
2. What is environment?
3. What environmental conditions are favourable for plants?
4. Which environmental factors are important for plant growth?
5. Do all crops require much light for their growth?
6. What crops develop under cool climatic conditions?
7. What crops require warmer climate?
6. Name the environmental factors that affect plant growth (in English).
7. Read and translate text B without a dictionary. Define the meaning of words in bold according to their Russian equivalents and to the context.