1.
Dinosaurs are classified as reptiles,
although some appear to have
been warms-blooded
A B C D
It should be “warm-blooded”
Reason: because it is adjective. It is
modify the reptiles.
2.
Every fuel has their own particular
temperature at which it begins to burn.
A B C D
It should be “in which”
Reason: because it is prepositional phrase
so it should be “in which”
3.
The
hormone insulin controls by the amount of sugar in the blood
which
A B C
provides energy for the body.
D
It should be “controlled by”
Reason: because it is a passive sentence.
4.
Pelican Island in Florida and Oregon
Islands in Oregon are wildlife refugees.
A
B C D
It should
be “wildlife refuges”
Reason:
because Pelican Island and Oregon Islands are a place not a person.
5.
When the island of Surtsey was
eighteen months old a first leafy green plant appeared
A B C D
It should be “the first”
Reason: because it is ordinal number.
6.
Octopuses have not only large brains and
also a well developed nervous system.
A B
C D
It should be “but”
Reason: because it is correlative
conjunction. “Not only” should be paired with “but also”.
7.
Symptoms of mild vitamin C deficiency may be weakness,
irritability, losing weight,
A
B C
and apathy.
D
It should be “weight loss”
Reason: because “weakness”, “irritability”,
and “apathy” are noun. Therefore “losing weight” should be parallel with them.
8.
Around 1750, electricity experiments
became populartity as entertainment at the court
A B C D
of the French King Louis XV.
It should be “popular”
Reason: because it is describing a thing.
9.
In 1780, Italian scientist Luigi Galvani mistaken
concluded that frogs’ legs contain
A B C
electricity.
D
It should be “contained”
Reason: because the sentence is in past
tense.
10. Electricity
produced by nature is called static electricity because it exerts
a forceful
A B C
When it is stationary
D
It should
be “force”
Reason:
because an article “a” should be followed by noun.
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