3 ** Complete the text with should or shouldn't. A walk in the countryside can be a lot of fun, and is also good for your health. It's important to follow a few rules to stay safe, though. • You should never go very far from other people on your own. Always take a friend. You shouldn't go walking in the dark. • You take a mobile phone with you also take a map if you can. check the weather and wear suitable clothes. You 6 go near any wild animals, or try to touch them. Do these things and you? problems! and you 5 You 5 have any
Male giraffe reach a height of up to 5.5-6.1 m (about 1/3 of the length of the neck) and weigh up to 900-1200 kg. Females tend to be a bit smaller and lighter. Neck giraffes unusually long, and this despite the fact that they, like almost all other mammals, only seven cervical vertebrae. High growth increases the burden on the circulatory system, especially in relation to supply of the brain. Therefore heart giraffes particularly strong. It transmits 60 liters of blood per minute, weighs 12 kg and creates pressure that is three times higher than in humans. However, it could not bear the sudden overload of raising and lowering the head of a giraffe. To these movements did not cause the death of the animal, the giraffe's blood is thicker and has twice higher density blood cells than human. In addition, there are special giraffe locking valves in the jugular vein high interrupting the flow of blood so that pressure is stored in the main arteries supplying the brain. Dark giraffe language is very long and muscular: giraffe can poke it to 45 cm and can miss them branches.
1. It's been months since is last rained so the crops are failing.
2. Bolts of lightning lit up the sky throughout the night.
3. Strong circling winds travelled over the land destroying everything in their path.
4. Temperatures reached over 40 degrees for days on end.
5. As the snow fell strong winds blew it around the town.
6. Strong winds blew loose sand and dirt across the area.
7. The river overflowed and water covered the town`s streets.
8. After winds formed over the sea, they hit regions along the coast.