TOEFL EXERCISES (0)
1.
Human brain are more powerful than those of
other species because of their complex
A B C
circuitry.
D
The correct answer: A
The correct sentence: Human brains are more powerful than those of other
species because of their complex circuitry.
Reason: the use of verb “are” is plural so “brains” must be used because
it’s a plural noun.
2.
In a person’s lifetime, the brain can
store 100 trillion pieces of informations.
A
B C
D
The correct answer: D
The correct sentence: In a person’s lifetime, the brain can store
100 trillion pieces of information.
Reason: the word “information” is an uncountable noun and can’t use as
plural.
3.
Under the feathers is a layer of fat that
it protects the penguin from the cold.
A B C D
The correct answer: C
The correct sentence: Under the feathers is a layer of fat that
protects the penguin from the cold.
Reason: there is no need to use “it” as pronoun.
4.
Despite of its isolation in the Sunda Strait between Java and Sumatra, over 36,000
A B C
people died in the tidal waves
following the explosion of Krakatoa.
D
The correct answer: A
The correct sentence: In spite of its isolation in the Sunda
Strait between Java and Sumatra, over 36,000 people died in the tidal waves
following the explosion of Krakatoa.
Reason: The usage of “Despite” is wrong because there is an “of”
preposition in which commonly used following by “In spite”.
5.
According experts 60,000 cubic feet of earth was thrown into the air
A B C
in the explosion of Mount St. Helens.
D
The correct answer: A
The correct sentence: According to experts 60,000 cubic feet of earth
was thrown into the air in the explosion of Mount St. Helens.
Reason: The word “According” must be followed by the preposition “to”
and it becomes “According to”
6.
The most of the energy used in our homes and
factories is generated from coal, oil,
A B C D
and natural gas.
The correct answer: A
The correct sentence: Most of the energy used in our homes and
factories is generated from coal, oil, and natural gas.
Reason: The usage of “The” before word “most” is incorrect because
uncommonly used.
7.
The new island of Surtsey is its
ideal natural laboratory for scientists.
A B C D
The correct answer: C
The correct sentence: The new island of Surtsey is an ideal natural
laboratory for scientists.
Reason: The definite article “an” must replace the word “its”.
8.
The Sahara Desert in Africa is by far
the most large desert in the
world, covering an
A
B
area
nearly as big as the
United States.
C
D
The correct answer: B
The correct sentence: The Sahara Desert in Africa is by far the largest
desert in the world, covering an area nearly as big as the United States.
Reason: The superlative word “largest” is must be used because the usage
of “most” which describe the word “large” is uncommon.
9.
Computers are machines flexible
that can adopt to a wide variety of tasks.
A B C D
The correct answer: B
The correct sentence: Computers are flexible machines that can adopt to
a wide variety of tasks.
Reason: The adjective “flexible” must placed after the noun “machines”.
10. Diamonds
are graded according to weigh, color, and cut.
A B C D
The correct answer: B
The correct sentence: the verb “weigh” can’t be used and it must
replaced by noun, because it’s grammatically incorrect.
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