how mobile telephony turned into a health scare

Thus, the answer is A. IELTS Reading Practice Test 18. So, the answer is limited market. These lines clearly indicate that the higher the demand, the more the competition, which forces the manufacturers to lower the price of the goods. IELTSDATA READING PASSAGE 58-How Mobile Telephony Turned into a Health Scare. A 2G mast can send a low-frequency microwave signal approximately 35 kilometres.Third generation (3G) technology allows users to wirelessly download information from the internet and is extremely popular. These lines indicate that two bands are required to send two signals wirelessly, where one band from phone to antenna is carrying uplink, the other band from antenna to phone is known as downlink. The initial lines of paragraph B states that the, the exact length of time depending on the bodys. Answer explanations: The 5th line of paragraph C illustrates that the actual number of deaths is disputed, but the outbreak in 1918 killed between 20 and 50 million people, which can be estimated that one-fifth of the population of the world may have been infected. Answer explanation: The initial lines of Paragraph F states that tests carried out on animals living close to this form of radiation are particularly useful because scientists can rule out the psychological effect that humans might be exhibiting due to their fear of possible contamination. However, it was not considered med mobile telephony as it couldnt be used to dial existing phone networks. Answer explanations: We can deduce from the 4th line of paragraph A that it should be made clear that the risk is not great from simply being in the same room as an infected person, since the flu virus, unlike other respiratory viruses, does not dissolve in the air. These lines indicate that it is very rare in cases where viruses dont change their characteristics because most of them change their variants after one time. The difference is that3G technology uses a higher frequency to carry the signals, allowing masts to emit more radiation. The technology which enabled mobile phones was previously used in the kind of two- way radio which could be found in taxis and emergency vehicles. The range of human responses to the flu virus has been of interest to scientists for many years. The 11th line of paragraph D states that the. 6 What type of text message was the first one ever sent? 21 Sharing a room with a flu sufferer presents a very high risk to your health. The base stations tend to be simple constructions, or masts, on top of which are mounted the antennas. So, we can find reference in the 3rd line, which states that it was not until the invention of the second generation (2G) in the 1990s that digital networks could be used. mounting a mast on the building where you live or workD. radio which could be found in taxis and emergency vehicles. Answer explanation: The 11th line of paragraph D states that the 3G technology uses a higher frequency to carry the signals, allowing masts to emit more radiation. The digital element enabled faster signalling. Thus, the answer is C. . These lines indicate that there are many factors that influence the price of a commodity and the price must be fixed by considering all those factors. IELTS DARSLARI. View Health - Thuong.docx from ENGLISH 10 at Hanoi University. BOOK AN ONLINE APPOINTMENT. 3 Where were early mobile phones generally used? So, the answer is C. Answer explanations: The 6th line of paragraph F states that although many big businesses are cynical about an operation that does not regard profit as a main driving force, the paradox is that it will help them too. TRUE, if the statement agrees with the information, FALSE, if the statement contradicts the information, NOT GIVEN, if there is no information on this. This statement contradicts the information because sharing a room with an infected person presents a high risk to health because doctors proved that flu viruses do not dissolve in the air and that it affects the cells inside the human body. Many thousands of reports have appeared claiming that the signals relayed by these antennas are harmful to human and animal health. The technology which enabled mobile phones was previously used in the kind of two- way. 2 What did you have to do in order to talk on a radio using simplex tech? So, the answer is the maximum number. It is difficult for us to understand why it is C the modern handsets needed to emit more radiation. She is a phenomenal researcher and provides extensive articles to students. Thus, the answer is B. The 6th line of paragraph A states that within. These two frequencies can be obtained by the principle of Frequency Division Duplex (FDD). 37 According to the writer, what might early traders have disagreed about? The technology which enabled mobile phones was previously used in the kind of two- way radio which could be found in taxis and emergency vehicles. Answer explanations: The 4th line of paragraph E illustrates that while the agricultural land is given over to cash crops, it robs the local people of the ability to grow their own food. Manufacturers can have a higher profit margin on luxury or specialist goods which often have a 36_________________________. We understand from the 2nd line of paragraph C that the purpose of setting a, . Its spread is also possible from contaminated airborne particles such as those occur when someone coughs or sneezes. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. This is because the effect can vary from no infection to a rapid and deadly spread of the virus to many people. We understand from the initial line of paragraph B that when we look at the deal from the. These are often goods for which there is a limited market. Whatever danger there was in 2G signals is greatly multiplied by the fact that the 3G masts are physically much closer to people. . So, the answer is machine-generated. not using them continuouslyB. This problem Is intensified by the need to have masts in closer proximity to each other and to the handsets themselves. reality? The difference is that 3G technology uses a higher frequency to carry the signals, allowing masts to emit more radiation. 12 Why might the testing of animals give us more reliable results? carries the uplink (from phone to antenna) and the other carries the downlink (from antenna to, tn mang tn hiu ln (uplink) (t in thoi n ng ten). radio which could be found in taxis and emergency vehicles. The technology which enabled mobile phones was previously used in the kind of two- way radio which could be found in taxis and emergency vehicles. However, its not mentioned that the infected person will be aware of the symptoms of flu within 4 6 hours. Thus, the answer is B. 18 Although antibodies last a lifetime, scientists have found they get weaker with Tests carried out on animals living close to this form of radiation are particularly useful because scientists can rule out the psychological effect that humans might be exhibiting due to their fear of possible contamination. In duplex technology, there are two frequencies available simultaneously. Thus, the answer is Not Given. The consent submitted will only be used for data processing originating from this website. B the masts are closer together and emit higher frequencies. To send two signalswirelessly,it is necessary to create a paired spectrum,where one band carries theuplink(from phone to antenna)andthe other carries thedownlink(from antenna to phone).Time Division Duplex (TDD) can achieve the same thing, but instead of splitting the frequency, theuplinkanddownlinkare switched very rapidly, giving the impression that one frequency is used. These lines suggest that poor countries are incapable of bargaining a better deal, who endup underselling their manufactured goods at lower prices. Answer explanations: Paragraph C discusses the fact that the purpose of setting a suitable price is to sell the maximum number of units, which guarantee the biggest profit. The second generation allowed for text messaging too, and this began with the first person-to-person text message in Finland in 1993,although a machine-generated text messagehad been successfully sent two years earlier. Thus, the answer is uplink. The 3rd line of paragraph B illustrates that the prices of same goods may, and people are often surprised to see exactly the same item for sale at. 4 Answer: 2G / the second generationLocate What development introduced digital technology into mobile telephony? Answer: BLocate. Easily sign the form with your finger. * This window is to review your answers only, you cannot change the answers in here. How Mobile Telephony Turned into a Health Scare. Thus, the answer is battery design. So, the answer is B. en Change Language Change Language C mounting a mast on the building where you live or work, D keeping healthy and getting enough sleepAnswer: ALocate. B the masts are closer together and emit higher frequencies. The first generation of mobile phones (called 1G) were large, heavy and analogue and it was not untilthe invention of the second generation (2G)in the 1990s that digital networks could be used. 5 Apart from the area of electronics, in which area did developments help make phones more mobile? Although this was a great development, it was not really considered mobile telephony because it could not be used to dial into existing phone networks. Thus, it is evident that companies carry out market research to evaluate the price at which the goods will be sold. 13 What is believed to limit the danger from mobile phones? . To send two signals wirelessly, it is necessary to create a paired spectrum, where one band carries the uplink (from phone to antenna) and the other carries the downlink (from antenna to phone).Time Division Duplex (TDD) can achieve the same thing, but instead of splitting the frequency, the uplink and downlink are switched very rapidly, giving the impression that one frequency is used. The signals are transmitted over much greater distances than before.B. Also, animals are not afraid of the radiation effects. Although this was a great development, it was not really considered mobile telephony because it could not be used to dial into existing phone networks if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'completeielts_com-box-4','ezslot_4',132,'0','0'])};__ez_fad_position('div-gpt-ad-completeielts_com-box-4-0');Complete the diagram.Choose NO MORE THAN TWO WORDS from the passage for each answer. These lines indicate that the antibodies attack the flu virus via the respiratory tract. This problem Is intensified by the need to have masts in closer proximity to each other and to the handsets themselves. something goes well, against the odds; you can step up and go the extra mile; Listening; Reading; Speaking; You can resize Reading Text and Question columns by dragging the grip to suite your needs, Review your questions before submitting to avoid unfortunate mistakes by clicking the. Thus, the answer is Not Given. The first mobile phones to connect to telephone networks were often installed in cars before the hand-held version came on the market and the revolution in mobile technology began. Although this was a great development, it was not really considered mobile telephony because it could not be used to dial into existing phone networks. These lines indicate that the developments in the area of electronics and battery design helped make phones more mobile. Dear students, here are the IELTSFever Academic IELTS Reading Practice Test 165 Answers ( Passage 1 How Mobile Telephony Turned into a Health Scare, Passage 2 How to run a Passage 3 Pleistocene & modern wombat skeletons ). Cng ngh cho php in thoi c th di ng c s dng trc, tuyn hai chiu m c th tm thy trong taxi, press a button, meaning that only one person at a time could, The first mobile phones to connect to telephone networks were often installed in cars before the, The first generation of mobile phones (called 1G) were large, heavy and analogue and it was not. C. the signals are carrying both voice and text messages. Answer explanations: We understand from the 2nd line of paragraph C that the purpose of setting a suitable price for a product is to sell it in maximum numbers, which ensures a guaranteed profit. because most of them live closer to the mastsB. Choose NO MORE THAN TWO WORDS from the passage for each answer. php nhng chic in thoi tr nn nh hn v v th chng tr thnh nhng chic di, The second generation allowed for text messaging too, and this began with the first person-to-, Th h th hai cng cho php son tho tin nhn vn bn, v iu ny, bn c gi t ngi ny qua ngi khc u tin , Vic ny khng th xy ra nu khng c s pht trin, Vi cng ngh duplex, c hai tn s c sn cng mt. As a result, doctors and scientists find it challenging to rectify it. Until quite recently, voice and text messages were transmitted using 2G technology. It is stated that with the introduction of such new strains, there was, . Base stations which send and receive the signals are transmitted over much greater distances before. 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