TOEFL Reading Practice Test and Answer Key (Soal Reading TOEFL dan kunci jawabannya) 02

Berikut ini adalah contoh soal Reading TOEFL. Silakan anda coba untuk menyelesaikannya. Selanjutnya anda bisa mengecek jawaban anda dengan kunci jawaban yang tersedia.

Questions 11-22

Avicolturists, people who raise birds for commercial sale, have not yet learned
how to simulate the natural incubation of parrot eggs in the wild. They continue
to look for better ways to increase egg production and to improve chick survival rates.
line When parrots incubate their eggs in the wild, the temperature and humidity of the
(5) nest are controlled naturally. Heat is transferred from the bird's skin to the top portion
of the eggshell, leaving the sides and bottom of the egg at a cooler temperature. This
temperature gradient may be vital to successful hatching. Nest construction can
contribute to this temperature gradient Nests of loosely arranged sticks, rocks, or dirt
are cooler in temperature at the bottom where the egg contacts the nesting material.
(10) Such nests also act as humidity regulators by allowing rain to drain into the bottom
sections of the nest so that the eggs are not in direct contact with the water. As the
water that collects in the bottom of the nest evaporates, the water vapor rises and is
heated by the incubating bird, which adds significant humidity to the incubation
environment
(15) In artificial incubation programs, aviculturists remove eggs from the nests of parrots
and incubate them under laboratory conditions. Most commercial incubators heat the
eggs fairly evenly from top to bottom, thus ignoring the bird's method of natural
incubation, and perhaps reducing the viability and survivability of the hatching chicks.
When incubators are not used, aviculturists sometimes suspend wooden boxes outdoors
(20) to use as nests in which to place eggs. In areas where weather can become cold after
eggs are laid, it is very important to maintain a deep foundation of nesting material to
act as insulator against the cold bottom of the box. If eggs rest against the wooden
bottom in extremely cold weather conditions, they can become chilled to a point where
the embryo can no longer survive. Similarly, these boxes should be protected from
(25) direct sunlight to avoid high temperatures that are also fatal to the growing embryo.
Nesting material should be added in sufficient amounts to avoid both extreme
temperature situations mentioned above and assure that the eggs have a soft, secure
place to rest.

11. What is the main idea of the passage?
(A) Nesting material varies according to the
parrots' environment.
(B) Humidity is an important factor in
incubating parrots' eggs.
(C) Aviculturists have constructed the ideal
nest box for parrots.
(D) Wild parrots' nests provide information
useful for artificial incubation.

12. The word "They" in line 2 refers to
(A) aviculturists
(B)birds
(C)eggs
(D) rates

13. According to paragraph 2, when the
temperature of the sides and bottom of the egg
are cooler than the top, then
(A) there may be a good chance for
successful incubation
(B) the embryo will not develop normally
(C) the incubating parent moves the egg to
a new position.
(D) the incubation process is slowed down

14. According to paragraph 2, sticks, rocks, or dirt are used to
(A) soften the bottom of the nest for the newly
hatched chick
(B) hold the nest together
(C) help lower the temperature at the bottom of
the nest
(D) make the nest bigger

15. According to paragraph 2, the construction of the nest allows water to
(A) provide a beneficial source of humidity
in the nest
(B) loosen the materials at the bottom of the
nest
(C) keep the nest in a clean condition
(D) touch the bottom of the eggs

16. All of the following are part of a parrot's
incubation method EXCEPT
(A) heating the water vapor as it rises from the
bottom of the nest
(B) arranging nesting material at the bottom of
the nest
(C) transferring heat from the parent to the top
of the eggshell
(D) maintaining a constant temperature on the
eggshell

17. The word "suspend" in line 19 is closest in
meaning to
(A) build
(B) paint
(C)hang
(D) move

18. The word "fatal" in line 25 is closest in
meaning to
(A) close
(B) deadly
(C) natural
(D) hot

19. The word "secure" in line 27 is closest in
meaning to
(A) fiesh
(B)diy
(C)safe
(D)warm

20. According to paragraph 3, a deep foundation of nesting material provides
(A) a constant source of humidity
(B) a strong nest box
(C) more room for newly hatched chicks
(D) protection against cold weather

21. Which of the following is a problem with
commercial incubators?
(A) They lack the natural temperature changes
of the outdoors.
(B) They are unable to heat the eggs evenly
(C) They do not transfer heat to the egg in the
same way the parent bird does.
(D) They are expensive to operate.

22. Which of the following terms is defined in thepassage?
(A) Aviculturists (line I)
(B) Gradient (line 8)
(C) Incubation (line 15)
(D) Embryo (line 24)

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TOEFL Reading Practice Test and Answer Key (Soal Reading TOEFL dan kunci jawabannya) 02