Duolingo Practice Test 1 — Questions and Answers
Question 1: The Olympic Game is a major international event that includes both sum ____________ and winter sports.
- summit
- summer (Correct answer)
- summary
- summon
Correct answer: summer
The Olympic Games are a major international multi-sport event that occurs every four years. They are traditionally divided into two main categories based on the season in which they are held: the Summer Olympics and the Winter Olympics. Therefore, 'summer' correctly completes the phrase 'summer and winter sports'.
Question 2: The ancient Olympic Games were he ___________Â in Olympia, Greece.
- hereby
- here
- held (Correct answer)
- help
Correct answer: held
The sentence describes where the ancient Olympic Games took place. The verb 'held' is the past participle of 'hold,' meaning to conduct or organize an event. Thus, 'The ancient Olympic Games were held in Olympia, Greece' is the grammatically correct and semantically appropriate construction.
Question 3: The fi________ “Modern” Olympics happened in Athens, Greece, in 1896.
- final
- first (Correct answer)
- finds
- firm
Correct answer: first
The sentence refers to the initial occurrence of the modern Olympic Games. 'First' is an ordinal number used to indicate the beginning or the earliest in a sequence. Therefore, 'The first 'Modern' Olympics happened in Athens, Greece, in 1896' correctly identifies them as the inaugural games of the modern era.
Question 4: Exercise is advised for the treatment of mild depression and has a mode_________Â effect on symptoms.
- moderate (Correct answer)
- modern
- model
- modesty
Correct answer: moderate
The sentence states that exercise has a particular effect on symptoms of mild depression. 'Moderate' means not extreme or excessive, implying a balanced and noticeable impact. This suggests that exercise has a significant but not overwhelming positive influence on reducing depression symptoms.
Question 5: For most people, it is equi__________Â to using medications or psychological therapies.
- equipment
- equites
- equilibrium
- equivalent (Correct answer)
Correct answer: equivalent
The sentence compares the efficacy of exercise to other forms of treatment for depression. 'Equivalent' means equal in value, amount, function, or meaning. This implies that for many individuals, exercise can provide a comparable benefit to medications or psychological therapies in managing depression.
Question 6: Exercise app_________ to reduce depression in older people.
- approve
- applaud
- appears (Correct answer)
- appoint
Correct answer: appears
The sentence describes the observed effect of exercise on depression in older people. 'Appears' is the correct verb to indicate that there is evidence or an observation suggesting a particular outcome, without stating it as an absolute certainty. It conveys that exercise seems to have a beneficial effect.
Question 7: Cer__________Â fields, such as electronic engineering and career engineering, are sometimes considered
- Certain (Correct answer)
- Certainly
- Certified
- Certainty
Correct answer: Certain
The sentence introduces specific examples of engineering fields. 'Certain' is an adjective used to specify particular, but not all, items within a group. It correctly completes the phrase 'Certain fields,' indicating that some specific fields, like electronic and career engineering, are being considered.
Question 8: Some electrical engineers focus solely on one of these subdi___________, most work with a combination of them.
- subdisciplines (Correct answer)
- subdiscipline
- subdivisions
- subdirectors
Correct answer: subdisciplines
The sentence discusses specialized areas within electrical engineering. 'Subdisciplines' refers to distinct branches or categories within a broader academic or professional discipline. The plural form is appropriate here as the sentence implies multiple such areas that engineers might focus on or combine in their work.
Question 9: The suburbanization process be_________ in the second quarter of the nineteenth century.
- begins
- began (Correct answer)
- below
- being
Correct answer: began
The sentence describes an event that started in the past, specifically in the nineteenth century. 'Began' is the simple past tense of the verb 'to begin,' which correctly indicates that the suburbanization process commenced at that historical point in time. The other options are incorrect tenses or forms.
Question 10: The rise of the industrial ci__________ at the time was largely fueled by advances in transportation.
- citizen
- civil
- city (Correct answer)
- citizens
Correct answer: city
The sentence refers to the growth of urban centers during the industrial revolution. 'City' is the appropriate term for a large, densely populated urban area. The rise of industrial cities was indeed a significant development fueled by advancements in transportation during that era.
Question 11: People primarily traveled o______ foot, and goods were transported by horse and cart.
- of
- or
- out
- on (Correct answer)
Correct answer: on
The phrase 'on foot' is a common idiom in English used to describe traveling by walking. The preposition 'on' is correctly used in this context to indicate the mode of transportation. Therefore, 'People primarily traveled on foot' accurately conveys how people moved before modern transport.
Question 12: Having a hobby is exciting. Hobbies are l_________ of fun.
- long
- lot
- lots (Correct answer)
- look
Correct answer: lots
The phrase 'lots of fun' is a common idiomatic expression in English that means a great deal of fun or much enjoyment. 'Lots' is the correct informal quantifier to use in this context, indicating an abundance of fun. The other options do not form a grammatically correct or idiomatic phrase.
Question 13: It is said that if you put a frog in a pot of boiling water, it will qu________ jump out and save itself.
- quickly (Correct answer)
- quit
- quietly
- qualify
Correct answer: quickly
The sentence describes the immediate and instinctive reaction of a frog to being placed in boiling water. 'Quickly' is an adverb that accurately conveys the speed and urgency with which the frog would attempt to escape such a dangerous situation. It emphasizes the rapid nature of its response.
Question 14: Many animal and plant species are becoming extinct, but not so quickly that pe________ notice.
- people (Correct answer)
- person
- peer
- perhaps
Correct answer: people
The sentence requires a plural noun to complete 'pe_________' and form a common word that refers to humans in general. 'People' is the only option that fits grammatically and semantically, creating the phrase 'people notice' to indicate general awareness. The other options are either singular ('person'), a different part of speech ('perhaps'), or unrelated ('peer').
Question 15: The problems are caused by millions of people like you, each making small but po_________Â decisions about
- post
- poor (Correct answer)
- point
- power
Correct answer: poor
The context describes environmental problems caused by individual actions, implying that these decisions contribute negatively. 'Poor' fits this context perfectly, suggesting that these decisions are not good or beneficial for the environment. The other options ('post,' 'point,' 'power') do not make sense in this specific context of describing the quality of decisions.
Question 16: People need a better id_________ of the issues involved in environmental protection.
- identity
- identical
- ideals
- idea (Correct answer)
Correct answer: idea
The sentence requires a noun that means understanding or concept to complete 'id_________.' 'Idea' is the correct word, forming the phrase 'a better idea of the issues,' which means a clearer understanding. The other options like 'identity,' 'identical,' or 'ideals' do not fit the grammatical structure or the meaning of needing comprehension about environmental issues.
The Olympic Game is a major international event that includes both sum ____________ and winter sports.