Английский язык. Система упражнений для формирования грамматической компетенции студентов: ситуативный контекст. Тимофеева Т.И. - 24 стр.

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b. Although rainforests (cover) ___________________ only six per cent of the

Earth's land surface, they (contain) __________________ about 50% of all species

of life on the planet.

c. They also (remove)________________ carbon dioxide (CO2) from the air and

(produce) _________________ oxygen (O2).

d. As they are important, why (they / vanish) __________________________ ?

e. Most scientists (agree) __________________ that there are two main reasons.

f. First of all, the way of life in these forests (change) ___________________ .

g. In some forests, big companies (cut) ________________ down more and more

trees, (deforest) ___________________ and (cause) _________________ damage to

the land.

h. In other places, another kind of deforestation (happen) _________________

i. Here farmers (burn) ________________ more and more of the forest and (use)

_______________ the land to feed cattle.

j. Now that governments (understand) ____________________the problem, they

(begin)_______________________ to control these activities.

8. Underline

the correct form.

Hello again from the rainforest. You won't believe this, but I a sit / am sitting

in a

small boat on a river in South America. I b don't know / am not knowing the name of

the river in English, but now we c travel/ are travelling through the rainforest. It's

really hot, and water d drips / is dripping from my face, so I e apologize / am

apologizing for my bad handwriting. The batteries of my camera f run out / are

running out too, so don't expect many photos. The other problem here is the rain. It g

rains / is raining nearly every day, which is why they h call / are calling it a

rainforest I i suppose / am supposing! Luckily j it doesn't rain / it isn't raining at the

moment, but 1'll have to be quick. In general, I k have / am having a really good

time, and l find out / am finding out a lot about the flora and fauna in the rainforest.

The trees here m grow / are growing to 60 metres, which n makes / is making it very

dark all the time in the forest. There aren't really any paths, and people

o travel / are