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dangerous microbes- will have a greater chance to multiply. This situation often leads
to the development of a new infection called superinfection. Extensive use of some
antibiotics may damage organs and tissues. For example, streptomycin, which is
used to treat tuberculosis, has caused kidney damage and deafness.
Resistance to antibiotics may be acquired by pathogenic microbes. The resistant
microbes transfer genetic material to non-resistant microbes and cause them to
become resistant. During antibiotic treatment, non-resistant microbes are destroyed,
but resistant types survive and multiply.
To avoid the side effect of antibiotics, you’d better not urge your doctor to prescribe
antibiotics. Keep in mind that antibiotics are only useful for bacterial infections and
have no effect on viruses, so they cannot be used for children pox, measles, and
other viral diseases.
44. Which diseases cannot be cured by antibiotics?
A. Tonsillitis
B. Meningitis
C. Chicken pox
D. Tuberculosis
E. Scarlet fever
45. What are discussed in paragraph two and four?
A. Both paragraphs describe how antibiotics work.
B. Both paragraphs tell about the effects of misusing antibiotics.
C. Both paragraphs explain how antibiotics damage organs and tissue.
D. Paragraph two tells what causes the pathogenic microbes multiply and
paragraph four tells how un-resistant microbes become resistant.
E. Paragraph two tells how antibiotics destroy harmless microbes and paragraph
four describes how the pathogenic microbes transfer genetic material to non-
resistant microbes.
46. Choose one from the following which is not the effect of using antibiotics
improperly?
A. Organs and tissues are damaged.
B. The pathogenic microbes multiply.
C. Harmless micro-organism are destroyed.
D. Pathogenic microbes become non-resistant.
E. New infection which is called superinfection develops.
47. Antibiotics do not always distinguish between harmless and dangerous
microbes.” (paragraph 2). The word “distinguish” means…
A. Vary
B. Compare
C. Correlate
D. Contradict
E. Differentiate
The anaconda is the largest snake in the world. Also known as the Water Boa, this
giant, meat-eater lives in swampy areas of tropical South America. It spends a lot of
time in shallow water, hidden from unsuspecting prey. Anacondas are related to boa
constrictors. They give birth to 20 to 40 baby snakes at one time. Like all snakes,
anacondas are cold-blooded; they have the same temperature as the environment.
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