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- Choose the appropriate conjunctions to complete the sentences.
- 1. ____________ you are a professional, you shouldn't attempt to clean or adjust the inner optics of your microscope.
- 2. High blood pressure and diabetes are examples of diseases that should be aggressively treated ________ prevent severely disabling and potentially life threatening events such as a stroke.
- 3. The main reason people smoke is _____________ they are addicted to the nicotine in cigarettes.
- 4. Since the 1970s, psychoanalysis has become less popular; _________, some people still prefer this kind of treatment.
- 5. You should encourage your child to eat all foods _________ he will get a well-balanced meal.
- 6. According to a theory the tunnels under San Diego were built ________ enemies attacked the city.
- 7. ____________ AIDS has spread worldwide, southern Africa continues to be the worst affected area of the globe.
- 8. _________ long you have been smoking, your body begins to repair itself as soon as you quit.
- 9. In countries, where natural disasters such as floods frequently happen, hospitals should determine which areas are safe and which could be evacuated ______________ severe damage.
- 10. The price of oil and oil products began dropping drastically at the beginning of 1998 _________ many famous, large oil companies are cutting back drastically.
- 11. ___________ oil was discovered in Alberta as early as 1914, the oil and gas industry really took off in the late 1960s when large deposits were discovered.
- 12. _________ museums, libraries and archives are cultural institutions, they should ensure that their collections are built up in accordance with universally recognized moral principles.
- 13. Smallpox was eventually declared eradicated in 1980, ____________ a vigorous campaign of immunization by the World Health Organization.
- 14. During the war of 1812, the Royal Navy had more ships than the U.S. Navy; ___________, they were able to maintain a tight blockade on American waters and transport British Army troops to American shores.
- 15. Telecare is a telephone support service in the US which provides contact with people who are alone and isolated ___________ they are aged or have disabilities.
- 16. Though Cholera is spread __________ directly or through flies and waste, water is the chief medium for spread of this disease and hence it is termed as water-borne disease.
- 17. ____________ offering the most essential services to mankind, the coastal wetlands and marine life of the Asian countries generate income for millions of people.
- 18. Businesses are failing _________ a lack of trained workers and people to buy products.
- 19. The coconut palm is ____________ highly valued by the Pacific Islanders as both a source of food and medicine that it is called The Tree of Life.
- 20. The research in biotechnology will provide ______________ dramatic medical breakthroughs but also millions of dollars in new investment, and new opportunities for many people.
- 21. Leaders of the world's richest nations got together on an island last week, and nobody ___________ the protesters seemed to care.
- 22. ___________ a market economy will become effective, potential benefits should be maximized and risks minimized.
- 23. ____________ how many particles an atom has, the number of electrons usually needs to be the same as the number of protons.
- 24. President Lyndon Baines Johnson lost public support ______ American involvement in the war in Vietnam.
- 25. More than six hundred million tons of rice were grown around the world last year; __________, current rice production levels will not meet the needs of a growing world population twenty-five years from now.
- 26. To eat healthily _________ a busy lifestyle, you first need to have the honest desire to improve your eating habits.
- 27. Academic honesty is __________ an important value ____________ there are great penalties attached to its violation.
- 28. If you are not getting much sleep during the night, you should try to avoid napping during the day _______ much you might want to.
- 29. Many countries that promised to give food to Ethiopia failed to do so _________ its involvement in a border war with Eritrea.
- 30. The government should be in the business of ensuring a decent quality of life for its citizens; _________, it should invest the social sector to enable the citizens to function at their optimal level.
