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10. DENEME Ortaöğretim Genel Müdürlüğü YDT DENEMELERİ

78. (I) Biodiesel, a fuel made by esterifying fatty acids
76. - 80. sorularda, cümleler sırasıyla okunduğunda
parçanın anlam bütünlüğünü bozan cümleyi bulunuz. from vegetable oil, has some real advantages over
conventional diesel fuel. (II) Fuels and lubricants
76. (I) A new study has announced that nearly 15,000 years made from vegetable oil will have a growing market as
ago, traces of heat damage were found on the stones petroleum supplies diminish and environmental laws
carved with artistic designs. (II) According to scientists, become more stringent. (III) It produces fewer pollutants
this means that a fire was lit very close to the rocks such as particulates, carbon monoxide, and complex
during the drawing, and its light was used. (III) In the organic molecules, and because vegetable oils do not
research, simulations were made against the possibility contain sulphur, there is no noxious sulphur dioxide
of accidental formation of the traces, and according to the in exhaust gases. (IV) In addition, biodiesel can run in
general results, the probability of being drawn by the fire existing engines with little modification. (V) Last but by
was very strong. (IV) The tracks are thought to have been no means least, biodiesel breaks down much faster than
made using stone tools by the Magdalene people, an fuels made from petroleum, so spills do less damage to
early hunter-gatherer culture dating back from 23,000 to the environment.
14,000. (V) The Magdalene period is seen as a booming
A) I B) II C) III D) IV E) V
period for prehistoric art, from cave art to the decoration
of tools and weapons to the carving of stones and bones.

A) I B) II C) III D) IV E) V

79. (I) Although a limited number of languages, including
Japanese, German, and French, dominate world science
today, English is the most widely used language in the
77. (I) Lagoons are shallow lakes connected to large bodies field. (II) It is possible that the linguistic insufficiency of
of water, such as the sea or ocean, or formed by breaking English throughout the early modern period was to blame
off from them. (II) As a crossing point between saltwater for the delay in the writing of scientific works in the English
and freshwater bodies, lagoons are crucial ecosystems language. (III) This is not just because of the importance
for the environment. (III) Conservation of wetlands such of English-speaking countries like the United States in
as lagoons and their plant and animal communities must scientific research; it is because non-English speaking
be achieved through a combination of forward-thinking scientists must write their research articles in English in
national policies and coordinated international action. order to be read by a global audience. (IV) Interestingly,
(IV) They also have a vital role in providing food, shelter, this dominance is a relatively modern phenomenon, as
and protection, particularly for young fish, birds, and other prior to the 17 century, Latin served as the universal
th
living things. (V) For this reason, many lagoons have tongue that allowed European scholars to communicate
been taken under protection by the RAMSAR Wetlands across borders. (V) Since then, English has effectively
Protection Agreement. stepped into that role, evolving from a regional language
into an indispensable global standard that transcends
A) I B) II C) III D) IV E) V
national boundaries.
A) I B) II C) III D) IV E) V

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