1.
The rocky island of Alcatraz in San Francisco Bay was discovered by the Spanish
in 1769 and named by its large pelican colony.
Correct Answer
D. Named by
Explanation
The rocky island of Alcatraz in San Francisco Bay was named by the Spanish in 1769.
2.
Bacteria are responsible of many of the textures and flavors in our food and are
particularly important in milk products.
Correct Answer
A. Responsible of
Explanation
The phrase "responsible of" is incorrect and should be "responsible for." Bacteria play a significant role in creating various textures and flavors in our food, especially in milk products.
3.
Art Nouveau, a style that was in fashion in 1890s, was based of long curving lines inspired by climbing plants.
Correct Answer
C. Based of
Explanation
The correct answer is "based on". The phrase "based on" indicates that Art Nouveau was created or developed using long curving lines that were inspired by climbing plants. It suggests that the style drew inspiration from the natural forms and shapes of plants, incorporating them into its design elements.
4.
The brain is made up of billions of neurons that differ with each other greatly in size and shape.
Correct Answer
C. Differ with
Explanation
The correct answer is "differ with". This is because the sentence is describing how the billions of neurons in the brain vary from each other in terms of their size and shape. "Differ with" is the appropriate phrase to convey this idea of variation or differences between the neurons.
5.
Wood, the hardened material from which trees are composed, is made up of millions of tiny tubes of fibers packed together.
Correct Answer
D. Millions of tiny tubes of fibers
Explanation
Wood is composed of millions of tiny tubes of fibers that are packed together. These fibers give wood its strength and durability. They are responsible for the structural integrity of the material and provide support for the tree. The arrangement of these tubes of fibers allows wood to withstand pressure and tension, making it a suitable material for various applications such as construction, furniture, and paper production.
6.
Animals that live in areas that are covered in snow in winter change the color of
their coat according to the seasons.
Correct Answer
B. Covered in
Explanation
Animals that live in areas covered in snow in winter change the color of their coat according to the seasons. This means that when winter arrives and the environment becomes covered in snow, these animals adapt by changing the color of their coat to blend in with their surroundings. This helps them camouflage and remain hidden from predators or prey, increasing their chances of survival. Changing the color of their coat allows them to better adapt to the changing conditions and maintain their advantage in their snowy habitat.
7.
The need for vitamins of our diet was discovered by the Dutch doctor Christiaan
Eijkman in 1896.
Correct Answer
B. Of our diet
Explanation
The answer "of our diet" is correct because it accurately completes the sentence. The sentence is stating that the need for vitamins was discovered in relation to our diet.
8.
Many of the satellites of space carry telescopes and other instruments used in
used in astronomy to look at the stars.
Correct Answer
B. Of space
Explanation
The phrase "of space" correctly completes the sentence by specifying which satellites are being referred to. It indicates that the satellites being mentioned are specifically those that are in space.
9.
Homes that have cable television get their programs from a local television station through a cable connected with the set.
Correct Answer
D. Connected with
Explanation
The correct answer is "connected with" because it accurately describes how homes that have cable television receive their programs. The programs are delivered through a cable that is connected with the set, allowing the television to access the local television station and display the desired content.
10.
Henry David Thoreau stressed the importance in individuality and of living in in harmony with nature.
Correct Answer
A. The important in
Explanation
The correct answer is "the importance of". The sentence is discussing the ideas emphasized by Henry David Thoreau, specifically the importance of individuality and living in harmony with nature. The phrase "the importance of" accurately conveys this meaning.
11.
According expertts, 60,000 cubic feet of earth was thrown into the air A
in the explosion of Mount St. Helens.
Correct Answer
A. According experts
12.
Despite of its isolation in the Sunda Strait between Java and Sumatra, over 30,000 people died in the tidal waves following in the explosion of Krakatoa.
Correct Answer
A. Despite of