6.5.6.1 Portfolio Use ideas from Ex. 3 to write an essay
about the pros and cons of travelling by bus (60-80 words). Follow
the plan below. Use appropriate linkers.
Para 1: state the topic
Para 2: advantages & justifications/examples (There are certain advantages
to travelling by bus. Firstly, ... . Also, )
Para 3: disadvantages & justifications/examples (On the other hand, there
are certain drawbacks to travelling by bus. First of all, ... . Secondly, )
Para 4: your opinion (To sum up, ... . Although ... , they are )​

1 In prehistoric times people didn’t wear shoes; nowadays people have to wear shoes because we have got used to wearing shoes and can’t walk barefoot.

2 In those days people didn’t cook their meals, they ate raw meat. Today most people boil or roast meat before eating it.

3 Prehistoric people neither washed themselves nor brushed their teeth. These days such behaviour would be unusual, at least in big cities.

4 In those simple days men used clubs to settle their disputes. Modern people go to court or call the police, they rarely fight.

5 Thousands of years ago people either couldn’t talk or used very primitive language. I think they snarled at each other like dogs. Modern people use very sophisticated language; there are even people who can speak two or more languages. We have writing as well.

Climate change is a real problem, but its
1) importance has been
2) grossly exaggerated. It's far less important than other social problems such as povetry, infectious diseases
3) deforestation, and
4) extinction of species, not to mention war, nuclear weapons and
5) biological weapons. We don't know whether the observed climate changes are, on balance, good or bad for the health of the biosphere. And the effects atmospheric carbon dioxide as a
6) effects on fertilize (здесь опечатка)  of plant
7) growth are at least as important as its effects climate. So, we agree that more research is needed to improve
8) scientific
9) understanding of global
10) warming.