Before reading 1 INTERNET CHALLENGE Choose the correct word in these
sentences. Check online if necessary.
1 Antarctica is the coldest / warmest continent.
2 It's the wettest/ driest continent.
3 It's the windiest / sunniest continent.
4 It's the furthest south / north of the continents.
5 It's bigger / smaller than Europe.​

1. Man keeps cattle for meat and dairy purposes. Animals raised for milk typically require more daily care than those raised for meat.
2. Human milk is lower in proteins and minerals than that of cows and goats.
3. Laboratory test shows that today’s milk contains less foreign materials than that delivered yesterday.
4. The presence of more iron and copper in milk is undesirable as they are able to destroy some chemical compounds especially the ones referred to vitamins.
5. Senior citizens, especially the ones that consume small amounts of dairy products, may develop calcium deficiency.
6. Calcium deficiency in children and young people leads to retarded growth, while calcium deficiency in those over middle age promotes bone fragility and dental tissue decay.
7. A lot of modem diets include various dairy products, especially low fat ones.
8. Of all animals producing milk cow can be considered the principle one.
9. The development of skeleton is as enhanced by adequate milk consumption as that of brain.

There are many things that can go wrong and spoil your summer holidays. For example, you can fall ill all of a sudden and spend your holidays in bed. The weather in our country is notoriously unpredictable. A spell of bad weather can ruin your holidays. No one wants to spend their holidays indoors looking out of the window at the falling rain. Problems at school can also be very unpleasant; if you fall behind with your studies you will have to catch up with the rest of the students. Naturally, it means a lot of reading and thinking. You will also be very anxious to do well and this anxiety may well lead to depression.