Underline the correct word. STUDY TIPS!

Exam time means study time! It’s very important to get the most out of your time when you sit down with your books. Here’s how: find a quiet place to study (1) so that / to you’ll be able to concentrate, and switch off your mobile phone (2) so as not to / not to be disturbed while you are working. Many students make a ‘to do’ list before they study (3) with the aim / with a view of reminding themselves how much time they should spend on each topic. Another good idea is to give yourself a reward each time you achieve a goal (4) in order to / in case stay motivated. If you are studying with friends, agree that you will only talk about the subject you are studying (5) so as not to / not to waste time. Finally, remember to take regular breaks. You need a short break every 30 minutes or so (6) to prevent / to avoid getting too tired.

Over 1,800 kilometers that separate the southern border of Kazakhstan from the north, followed by several landscape zones: steppe, steppe, semidesert and desert. In the west, the territory of Kazakhstan borders the Caspian Sea in the east - the taiga Altai, and in the south - with the high peaks of the Tien Shan. The lowest point - Karagiye on Mangyshlak (132 meters below sea level), the highest - Khan Tengri peak in the mountains (7000 meters above sea level). Three major rivers - Irtysh, Tobol and Ishim - carry their water in the Arctic Ocean, the other Kazakh rivers empty into inland water bodies: the Caspian Sea, the Aral Sea, Balkhash, or simply spread out over the steppe or desert. The western part of Kazakhstan is almost entirely flat, and the east - mostly mountainous, besides such as the high mountains of the Tien Shan and Altai, considerable space is occupied Tarbagatay Saur, Kazakh low hills, Kokshetau hill.
In Kazakhstan, grows more than six thousand plant species (of which 515 - only here), its open spaces can be found about 500 species of birds, 178 species of mammals, 49 species of reptiles, 12 species of amphibians, and in the rivers and lakes - 107 species of fish.
The diversity of invertebrates is still more alone insects live here for at least 30,000 species, and besides them - a few thousand species of mollusks, worms, spiders, crustaceans, and others. Думаю вот так... 

Мой любимый певец всех времен и народов является Ани Лорак. Она является довольно популярной певицей в России и Украине и в целом во всем мире. Что я больше всего в ней нравится это ее красивый голос. Ани Лорак-высокая красивая женщина с длинными темными волосами. Она участвовала во многих песенных конкурсах; Российская телевизионная программа «Утренняя звезда» принесла известность молодой певице Ани. Она также заняла второе место на Евровидение-2008, представляя Украину. Актриса занимается общественной деятельностью. У нее есть хорошие песни.