TOEFL English Exercise Quiz! Exam

The given statement states that heart attacks are fatal in 75 percent of occurrences. This means that in 75 percent of cases where a person experiences a heart attack, it leads to death. The word "fatally" indicates the severity and seriousness of the outcome, emphasizing that a heart attack can be life-threatening. The word "percent" represents the proportion or percentage of occurrences, indicating that it is a common and significant outcome of heart attacks.

The phrase "gave back" in this context means that her money was returned to her. The word "soon as" indicates that this happened immediately after the action described in the sentence. The word "threatened" suggests that she made a statement indicating that she would take legal action if her money was not returned. The phrase "to take" indicates her intention to pursue legal action. Therefore, the correct answer "gave back" accurately describes the action of returning her money after she threatened to take the matter to court.

The word "their" in the given sentence refers to the Colorado River. This implies that the maximum height being discussed is specific to the river. The sentence also mentions that the river reaches its maximum height during April and May. Therefore, "their" is used to indicate that the height being referred to belongs to the Colorado River.

The word "or" is the correct answer because it is used to indicate a choice between two options. In this sentence, Admiral Byrd commanded airplane expeditions over either the Arctic or the Antarctic. The word "or" is used to present these two options and indicate that Admiral Byrd could have commanded expeditions in either of these locations.

The given sentence states that a baboon's arms appear as lengthy as its legs. "Lengthily" is the correct answer because it is an adverb that describes the appearance of the baboon's arms. It indicates that the arms of a baboon are long or extended, similar in length to its legs.

The word "heavy" in this context means that air traffic control still relies heavily on people, despite the presence of advanced electronic gadgetry. This suggests that human involvement is crucial and cannot be replaced completely by technology.

The given answer "reliable" is the most appropriate word to complete the sentence. The sentence talks about the challenge of communicating with a submerged submarine. In this context, the word "reliable" suggests that the communication needs to be consistent, trustworthy, and effective. It highlights the importance of ensuring a dependable means of communication with the submarine despite the difficulties posed by its submerged state.

Plant proteins tend to have fewer amino acids than proteins from animal sources. This is because animal proteins are considered complete proteins, meaning they contain all the essential amino acids that the body needs. On the other hand, plant proteins are often incomplete, lacking one or more essential amino acids. However, by combining different plant protein sources, such as beans and rice, individuals can still obtain all the necessary amino acids in their diet.

In the beginning of the 1980s, fifteen states had already adopted the no-fault insurance law. This means that these states had already implemented a system where each driver's own insurance company pays for their own injuries and damages, regardless of who is at fault in the accident. The fact that the states had "adopted already" indicates that they had already made the decision to implement this type of insurance law before the 1980s began.

The telegraph service being established across the Atlantic in 1866 was considered successful.

Patty Berg, the top tournament winner in women's golf, won eighty-three golf tournaments from 1935 through 1964.

Option A is incorrect because the subject "She" should be followed by the auxiliary verb "has" instead of "have." The correct form is "She has been studying English for three years."

The word "has" is the correct answer because it is the correct form of the verb "to have" in the present perfect tense. The sentence is referring to a past event (the Viking spacecraft landing on Mars in 1976) and the present perfect tense is used to indicate an action that started in the past and is still relevant in the present. Therefore, "has" is the appropriate verb form to use in this context.

The correct answer is "bank district" because the sentence states that the central banking system of the United States consists of twelve banks district. This indicates that the central banking system is made up of multiple districts, each of which contains a bank. Therefore, "bank district" is the appropriate answer.

The given statement suggests that modern art is being displayed at the Guggenheim Museum, which is known for its unusually designed building. This implies that the museum is showcasing modern art in a unique and distinctive setting, enhancing the overall experience for visitors.

The correct answer is "industrially". The sentence is indicating that Gooden's industrially designers and engineers have only recently been able to optimize Watertred's unusual tread patterns for mass production. This suggests that the designers and engineers from Gooden's have developed a method or process that allows them to efficiently produce the tread patterns on a large scale.

The phrase "equally excite" suggests that the other sites of fossil discoveries throughout Wyoming have been just as thrilling or interesting as the ones mentioned earlier. This implies that these other sites have also yielded significant and exciting fossil discoveries, possibly including different dinosaur species such as the Triceratops.

The word "is" is used in the sentence to connect the subject "fatty substances with a large amount of cholesterol" to the verb "deposited." It indicates that the deposition of these substances in the arteries is the result of the disease.

Only when mixed with about fifteen times its weight in the air, does gasoline allow the carburetor to run smoothly. This suggests that gasoline needs to be mixed with air in order for it to function properly in the carburetor.

The correct answer is "recent" because it indicates that the advertising campaign will be based on a study that has been recently completed. This suggests that the campaign will be up-to-date and relevant, potentially incorporating new findings or insights from the study.