вита1404

01.04.2020 19:15

Английский язык

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5.9. Заполните пропуски в предложениях модальными глаголами can, may или must: 1.One … identify many plants by studying their leaves.
2.Only plants … create food, animals obtain food only by eating plants or other animals.
3.A leaf … manufacture food by means of photosynthesis, otherwise a plant will die.
4.The structure of a leaf … be different in various species.
5.A leaf … capture the sun's energy and build complex molecules from raw materials.
6.You … see the midrib of the blade without a microscope.
7.Dicot leaves … be either simple or compound.
8.The leaf edge … be indented in various ways.
9.Eucalyptus trees grow in California, but these broad-leavedevergreens … not compete successfully with deciduous trees where the climate turns cold.
10.You … not touch that plant! It's poisonous.
11.You … take those flowers, I'll bring some more.
12.Whatever man does to his forests, he … consider the whole ecosystem, including the soil in its relationship to vegetation.
13.Larches are one of the few species that … stand the climate close to the frigid, empty tundra.
14.A plant … adjust itself to the environment in which it grows if it is to survive.