Take This TOEFL Quiz To Enhance Your English

1. Indiana's Lost River ....... underground for a distance of 22 miles

Travels

Traveling

To travel

It travels

The correct answer is "travels" because the sentence is describing the action of Indiana's Lost River, which is a singular subject. Therefore, it requires a singular verb form, which is "travels." The verb form "traveling" is a gerund and cannot be used as the main verb in this sentence. "To travel" is an infinitive form and does not agree with the subject. "It travels" is the correct form to indicate that the river is the one doing the action of traveling underground.

Explanation

The correct answer is "travels" because the sentence is describing the action of Indiana's Lost River, which is a singular subject. Therefore, it requires a singular verb form, which is "travels." The verb form "traveling" is a gerund and cannot be used as the main verb in this sentence. "To travel" is an infinitive form and does not agree with the subject. "It travels" is the correct form to indicate that the river is the one doing the action of traveling underground.

2. Mosquitoes will accepts the malaria parasite at only one stage of the parasite's complex life cycle.

Accepts

Malaria

Only one

Complex

Mosquitoes have a specific stage in the malaria parasite's life cycle where they can become infected. This means that they only accept the malaria parasite at this particular stage and not at any other stage.

Explanation

Mosquitoes have a specific stage in the malaria parasite's life cycle where they can become infected. This means that they only accept the malaria parasite at this particular stage and not at any other stage.

3. The music on a compact disk (CD) is record by lasers.

The music

A

Record

By

The given sentence states that the music on a compact disk (CD) is recorded by lasers.

Explanation

The given sentence states that the music on a compact disk (CD) is recorded by lasers.

4. One type of Australian frog lays up to 25 eggs at a time and then swallows they for protection.

Lays

At a time

They

Protection

The word "they" in the given sentence refers to the eggs laid by the Australian frog. The sentence states that the frog lays up to 25 eggs at a time and then swallows them for protection. Therefore, "they" is used to represent the eggs that the frog lays.

Explanation

The word "they" in the given sentence refers to the eggs laid by the Australian frog. The sentence states that the frog lays up to 25 eggs at a time and then swallows them for protection. Therefore, "they" is used to represent the eggs that the frog lays.

5. In the Antarctic Ocean ....... plankton and crustacean forms of life.

An abundance of

Is an abundance of

It is abundant

An abundance is

The correct answer is "is an abundance of." This phrase correctly describes the presence of a large quantity of plankton and crustacean forms of life in the Antarctic Ocean. The word "abundance" indicates a plentiful or ample amount, and the verb "is" establishes the existence of this abundance. Therefore, the phrase "is an abundance of" accurately conveys the idea that there is a significant number of plankton and crustaceans in the Antarctic Ocean.

Explanation

The correct answer is "is an abundance of." This phrase correctly describes the presence of a large quantity of plankton and crustacean forms of life in the Antarctic Ocean. The word "abundance" indicates a plentiful or ample amount, and the verb "is" establishes the existence of this abundance. Therefore, the phrase "is an abundance of" accurately conveys the idea that there is a significant number of plankton and crustaceans in the Antarctic Ocean.

6. The temperatures ......... take place vary widely for different materials

Which melting and freezing

At which melting and freezing

Which they melt and freeze

At which they melt and freeze

The temperatures at which materials melt and freeze can vary widely.

Explanation

The temperatures at which materials melt and freeze can vary widely.

7. In space, with no gravity for muscles to work against, the body becomes weakly.

No

Against

The body

Weakly

In the absence of gravity in space, the muscles in the body do not have any resistance to work against. As a result, they become weak and lose their strength. This is because the muscles need resistance or force to engage and develop. Without gravity, the body experiences a lack of resistance, leading to muscle weakness.

Explanation

In the absence of gravity in space, the muscles in the body do not have any resistance to work against. As a result, they become weak and lose their strength. This is because the muscles need resistance or force to engage and develop. Without gravity, the body experiences a lack of resistance, leading to muscle weakness.

8. Animisme is the belief that objects and natural phenomena such as rivers, rocks, and wind are live and have feelings.

Belief

Phenomena

Live

Feelings

Animisme is a belief system that holds that objects and natural phenomena are alive. This means that they possess some form of consciousness or life force. In this context, "live" refers to the belief that these objects and phenomena have a living essence or spirit within them. This belief is central to the animist worldview, as it shapes their understanding of the interconnectedness and sacredness of all things in the natural world.

Explanation

Animisme is a belief system that holds that objects and natural phenomena are alive. This means that they possess some form of consciousness or life force. In this context, "live" refers to the belief that these objects and phenomena have a living essence or spirit within them. This belief is central to the animist worldview, as it shapes their understanding of the interconnectedness and sacredness of all things in the natural world.

9. Static electricity ............ one cloud to another or between clouds and the ground creates lightning.

Flows from

The flow from

Flowing from

Is flowing from

Static electricity is the flow of electric charges between objects that have accumulated an imbalance of electrons. In the context of the question, static electricity flows from one cloud to another or between clouds and the ground, creating lightning. The correct answer choice, "flowing from," accurately describes this movement of static electricity.

Explanation

Static electricity is the flow of electric charges between objects that have accumulated an imbalance of electrons. In the context of the question, static electricity flows from one cloud to another or between clouds and the ground, creating lightning. The correct answer choice, "flowing from," accurately describes this movement of static electricity.

10. In general, the cells of large animals and plants are only slightly larger than ......... plants and animals

Smaller

Are smaller

Those smaller

Are those of smaller

The cells of large animals and plants are only slightly larger than those of smaller plants and animals.

Explanation

The cells of large animals and plants are only slightly larger than those of smaller plants and animals.

11. For Questions 1-8, read the text below. Use the word given in capitals to form a word that fits in the gap. There is an example at the beginning. Example: (0) NATURAL FOOD PRODUCTION In the not-too-distant past farm animals were able to live (0) ........ (NATURE) lives in what we would now term 'free-range' conditions. Such farming methods however, were not able to supply the rapidly growing (1) _____ (POPULATE) of the world and the increasing demands on food (2) _____ (CONSUME) In order to cope with this rising demand, factory farming methods were introduced along with the (3) _____ (DEVELOP) of genetically engineered (4) _____ (GROW) hormones, which resulted in a massive increase in food production. However, these developments in the use of factory farming and drug (5) _____ (TREAT) have led to a widespread feeling that animals are being caused a lot of distress and that the quality of the food itself suffers as a consequence. Certainly, many people (6) _____ (AGREE) with the idea of keeping animals in one building for their entire (7) _____ (EXIST) and argue that more emphasis should be given to (8) _____ (ALTERNATE) farming methods.

The text discusses the changes in food production methods due to the increasing population and demand for food. In the past, farm animals lived natural lives in free-range conditions, but these methods were not sufficient to meet the growing population's demands. As a result, factory farming methods were introduced, along with the development of genetically engineered growth hormones, to increase food production. However, these methods have raised concerns about animal welfare and the quality of the food. Many people disagree with keeping animals confined in one building for their entire existence and argue for alternative farming methods.

Explanation

The text discusses the changes in food production methods due to the increasing population and demand for food. In the past, farm animals lived natural lives in free-range conditions, but these methods were not sufficient to meet the growing population's demands. As a result, factory farming methods were introduced, along with the development of genetically engineered growth hormones, to increase food production. However, these methods have raised concerns about animal welfare and the quality of the food. Many people disagree with keeping animals confined in one building for their entire existence and argue for alternative farming methods.

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