CURSO
2012-2013
LENGUA EXTRANJERA (INGLÉS)
Instrucciones:
a) Duración: 1 h.30m.
b) No se permite el uso
de diccionario.
c) La puntuación de las
preguntas está indicada en las mismas.
d) Los alumnos deberán realizar completa una de
las dos opciones A o B, sin poder mezclar las respuestas.
OPTION A: “Are mobile phones dangerous?”
Are mobile phones dangerous to your
health? It is difficult to know for sure. Some researchers suggest that heavy users of mobile phones are at a greater risk of
developing brain tumours. Nevertheless, many other studies suggest there are
no links between cancer and mobile phone use. Over three billion people use
mobile phones on a daily basis, and many talk
for more than an hour a day. Mobile phone antennas are similar to microwave
ovens. While both rely on electromagnetic radiation, the radio waves in mobile phones are lower
in radio frequency (RF). Microwave ovens have enough RF to cook food
and are known to be dangerous to human tissues. However, the concern is that
the lower frequency radio waves that 6 mobile phones rely on may also be dangerous.
Some researchers believe that other
types of wireless technology may also be dangerous to human health, including laptops,
cordless phones, and gaming consoles. They say that many cordless phones emit
dangerous levels of Electromagnetic Radiation (ER) even when they are not
in use. They even suggest keeping electronic devices, such as computers and alarm
clocks, out of bedrooms, or at least 1.8 metres from your pillow. Besides, a
growing number of health professionals recommend that children and teens, whose
brains are still developing, use mobile phones only for emergencies.
Concerned medical experts use the example of tobacco to illustrate the
potential risks. Many years ago, people
smoked freely and were not aware of the effects of cigarettes on their health.
Today, people know that cigarettes cause lung cancer, though it is still
unknown exactly how or why. Some doctors fear that the same thing will happen
with devices such as mobiles.
I * COMPREHENSION (4 points: questions 1-3, 1
point each; 4-5, 0.5 points each)
ANSWER QUESTIONS 1-3 ACCORDING TO THE
INFORMATION GIVEN IN THE TEXT. USE YOUR OWN WORDS.
1. According to the article, do
mobile phones lead to brain tumours? Explain.
2. Are mobile phones the only
devices that can damage our health? Explain
3. Why do some experts think that
mobile phones can be harmful to the development of children’s brains?
ARE THESE STATEMENTS TRUE OR FALSE?
JUSTIFY YOUR ANSWERS WITH THE PRECISE WORDS OR PHRASES FROM THE TEXT, OR USE
YOUR OWN WORDS.
4. Microwave ovens and mobile
phones emit similar levels of RF.
5. In the past the negative
effects of tobacco were unknown.
II * USE OF ENGLISH (3 points; questions 6-9, 0.25 points each; 10-13, 0.5
points each)
6. FIND IN THE TEXT A SYNONYM FOR “worry”
(noun).
7. GIVE AN ADJECTIVE WITH THE SAME
ROOT AS “health” (noun).
8. WHICH WORD IS NOT AN ADJECTIVE? dangerous
/ risky/ scare / unsafe.
9. FIND IN THE TEXT ONE WORD WHICH
HAS THE FOLLOWING DEFINITION: “A machine or piece of equipment which has
been invented for a particular purpose.”
10. GIVE A QUESTION FOR THE
UNDERLINED WORDS: “Some health professionals point out that many cancers
take at least ten years to develop”.
11. REWRITE THE FOLLOWING SENTENCE
WITHOUT CHANGING ITS MEANING. BEGIN AS INDICATED: “Even though the car was
very expensive, she bought it”. In spite of…
12. FILL IN THE GAP WITH THE CORRECT
FORM OF THE VERB IN BRACKETS. “George stopped ……. (smoke) two years ago.”
13. TURN THE FOLLOWING SENTENCE INTO
THE PASSIVE VOICE: Scientists believe that mobile phones are dangerous to
our health.
III * PRODUCTION (3 points)
14. WRITE A COMPOSITION OF
APPROXIMATELY 120 WORDS ABOUT THE PROPOSED TOPIC AND FOCUS STRICTLY ON IT:
Computers,
mobile phones, game consoles..., what is your favourite technological device? Why?