December 2018 1 19 Report
Sebuah mikroskop memiliki lensa objektif dengan jarak fokus 2 cm dan lensa okuler dengan jarak fokus 5 cm. Sebuah benda diletakkan pada jarak 3 cm dari lensa objektif. Bila mata tidak berakomodasi maka tentukanlah :
a. Jarak bayangan yang ditentukan oleh lensa objektif
b. Perbesaran total mikroskop
c. Panjang mikroskop
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It is important to know how people in Jakarta satisfy the need of clean water. They use ground water, the governmental water supply or PAM ( Perusahaan Air Minum ) and public hydrants. The number of the population in Jakarta is 8,5 million, but only 41% of them have accessed to clean water from PAM, while the rest still depend on ground water. The shallow ground water is used in hotels, offices, factories, and areas of residences. There won’t be any problem if they do not use the water more than the resource’s capacity. Man is granted a large amount of colourless liquid called water. Life will not exist without water. There are a lot of domestic purposes as drinking, preparation of food and beverages, bathing, cleansing, and watering the lawns and gardens and secondarily in industrial processes, commercial products disposal of wastes in sewers, fire fighting, street sprinkling, swimming pools, and public fountains. For most of the purposes above the quality of water must be good. There are a lot of sources of water supply such as underground and surface water. Ground water resources are near at hand and systems are cheap to install, i. e by setting a pump or digging a well. The surface water is obtained from large lake or river nearby, consequently it will be very expensive to get the water because the supply depends on the amount of water in large reservoirs, from which long pipes are needed to pump the water into the houses. Ground water is generally clear, cold, cold, colourless, and cleaner than surface water in some regions. In order to have clean water supplies people should conserve the water. It can be conserved in many ways, including measurement and recording of all-purpose water consumption, holding flood water in o0versize reservoirs, desalting seawater and guard of ground water against the intrusion of seawater, and reducing evaporations in reservoirs using large ground water reservoir more extensively. 14. Which of the following statements is TRUE according to the text ? … a. Deep ground water is used in houses. b. Water is primarily used for fire fighting. c. Ground water is generally smelly and gummy d. The quality of water may be good for the most purposes. e. People should conserve water to get enough clean water supply. 15. The main idea of paragraph 2 is … a. We use water for domestic use b. Life will not exist without water c. The people in Jakarta use ground water. d. There are a lot of sources of water supply e. The surface water is obtained from large lake or river nearby. 16. The text tells us about … a. clean water b. ground water c. the use of water d. sources of water e. the governmental water supply (PAM) 17. … people should conserve the water (par.3). The underlined word means … a. harm b. flow c. manage d. keep away e. keep from lost or destruction 18. Which of the following statements is NOT TRUE according to the text? a. The quality of water must be good b. We use water for domestic purpose c. The surface water is obtained from the lakes d. Swimming-pool, public fountain belong to primarily use of water. e. People in Jakarta use ground water, PAM, and public hydrant primarily.
Answer
Healthy Water and Its Problem Water is very precious to people. They use it in almost activities they do. Primarily, they use water for domestic purposes such as drinking, food preparation, bathing cleaning, and watering plants. Secondarily, water is used for industrial processes, commercial protect. Realizing how important water is for drinking and food preparation. Clean water which is free from disease-causing bacteria should always be available. Boiling water is the traditional way to get healthy drinking water. Clean and healthy water is also necessary for bathing and cleaning; fish and plants need water which is free from pollution. As the population of the world increases, people are now facing a serious problem of water pollution, especially in big cities. The growth of population does not cope with the development of housing facility. Consequently, too many people live in one area, and environmental cleanliness cannot be controlled very well. People’s activities are chemical substances that affect the natural condition of water of its intended use. Organic wastes from homes and industries contaminate the water. As the result, waterways like rivers, lakes, and even oceans are subjected to pollution. This polluted water is harmful to living things that consume it. Plants cannot grow well and do not yield good quality fruit. Fish do not grow and breed properly. This in turn, will affect the health of people who consume them Water pollution is really a problem for all people. They however cannot overcome this individually. They need to cooperate as responsible citizens. They should not throw away domestic wastes everywhere. They must not dump harmful substances into the rivers. Industries must realize the importance of recycling rubbish. And above all, they should not let the chemical waste get into the rivers or other public waterways. 5. The following are the primary uses of water except … a. preparation of food b. swimming –pools c. cleaning d. bathing e. drinking 6. Water is very precious because … a. it is not available everywhere b. we cannot use it everyday c. we use it in almost all activities d. it is hard to get e. we can use it to wash 7. We realize how important water is, so we have to … a. find more water b. boil the water c. use as little water as possible d. explore the earth for more water e. keep water usable at all times 8. What do fish and plants need ? They need … a. uncontaminated water b. a large quantity of water c. clean and healthy water d. water from rivers e. waste water 9. Why do big cities have serious water problems? Because … a. water is difficult to find b. they need too much water c. water is needed there d. too many people live in one area e. of the development of housing facilities 10. We need … for bathing and cleaning. a. a warm water b. a lot of water c. clean and healthy d. water from natural sources e. contaminated water 11. Plants cannot grow well and do not yield good quality fruit (par.2) The word “yield” means … a. grow b. give c. affect d. consume e. produce/harvest 12. The primary cause of water pollution is … a. animal waste b. people’s activities c. harmful plants d. contaminated waste e. the natural condition of water 13. Polluted water is very dangerous to …. a. animal b. all living things c. environment d. the people e. health
Answer
Sanitation at Home A home is a place where people cook, eat sleep and look after their children. It protects people from harsh weather – cold, rain, wind, the burning rays of the sun-as well as from insects, animals and other dangers, so a home is a very important place for people to live. Sanitation at home is important. People can do a lot about improving some of their living conditions in which they live. They should refrigerate food properly or store it carefully to keep it away from bacteria, and they should not leave food lying around because it may attract insects and rats. To Avoid these pests, proper care of garbage is also very important. Careful housekeeping is extremely important to sanitation and food health. People should keep all parts of the house neat and clean by sweeping and mopping them, such as bedroom, bathroom and kitchen. They should tidy up the bedroom, scrub bathroom and kitchen often, and use disinfectants freely. Sanitary condition of a house protects people from germs but health problems not caused by germs are a growing challenge in the field of sanitation today. 1. The author is primarily concerned with describing … a. the importance of having a good home b. how people should keep their house tidy c. the ways people should obey to have good sanitation d. the danger of leaving their meal open e. the diseases derive from garbage 2. According to the author … a. house is the most important thing to have b. people should store their meal in refrigerator c. people should be aware of getting bad environment d. flies, rats, ants and many other insects need our protection e. keeping the environment healthy is the most important thing to do 3. Which one of the words below has similar meaning to sanitary ? a. dirty b. soiled c. waste d. health c. clean 4. The word it paragraph 1, sentence 2 refers to … a. a home b. child c. a place d. weather e. wind
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Budi mengamati lup untuk meng benda-benda kecil yang berakomodasi maksimum, jika perbesaran bayangan yang dilihat adalah 11 kali, tentukan jarak fokus lup tersebut!
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Apa rumus excel dari soal ini "Jika nama barang bawang merah, harga 27000, selain itu 35.000" Tolong jawab dengan benar ya !
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Sebutkan salah satu ciri khas Benua Amerika !
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Jelaskan secara ideologis Benua Asia !
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