Copy Of Super Minds 3 Unit 5 (Vocabulary & Grammar)

The correct sentence is "We were in the supermarket last week." This sentence is correct because it uses the correct subject-verb agreement. "We" is a plural pronoun, so it should be followed by the plural form of the verb "to be," which is "were." Additionally, the sentence correctly states that the action happened "last week," indicating a past time frame.

The correct answer is "I was in the swimming pool two days ago." This sentence is in the past tense and uses the correct form of the verb "to be" (was) for the first person singular pronoun (I). The use of "were" in the second option is incorrect because it is the past tense form for the second person singular and plural pronouns (you, we, they), not for the first person singular pronoun (I). The third option is also incorrect because it uses the present tense form of the verb "to be" (am) instead of the past tense form (was).

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The statement in the text is "Seahorses are big reptiles." The correct answer is False because seahorses are not reptiles, they are actually fish. Reptiles are a different group of animals that include snakes, lizards, and turtles. Seahorses have a unique body structure and are classified as fish due to their gills, fins, and scales.

Seahorses are indeed marine creatures that live in the ocean. They are typically found in shallow tropical and temperate waters, often near coral reefs, seagrass beds, or mangrove forests. Seahorses are unique in their appearance, with a horse-like head, a curled tail, and a body covered in bony plates. They are also known for their distinctive mating behavior, where the male carries and gives birth to the offspring. Due to their delicate nature and vulnerability to habitat destruction and overfishing, seahorses are considered to be at risk and are protected by various conservation efforts.

Seahorses cannot swim very well. Unlike most fish, seahorses have a unique body structure that makes them poor swimmers. They have a long, slender body and a small fin on their back that flutters rapidly, allowing them to move forward. However, they lack a caudal fin, which is the main fin that helps fish propel themselves through the water. As a result, seahorses rely on their ability to grip onto objects with their prehensile tail rather than swimming. Therefore, the statement "Seahorses can swim very well" is false.

Seahorses' favorite food is shrimps. This is because shrimps are a natural part of their diet and provide them with essential nutrients. Seahorses have a unique feeding behavior where they suck their prey into their mouths using their long snouts. Shrimps are small enough for seahorses to consume and are a good source of protein for their diet. Additionally, the movement of shrimps in the water can also attract seahorses, making them a preferred food choice.

The sentence states that "We found many ________ on the beach." The word "shells" is the correct answer because it is the plural form of "shell" and matches the context of the sentence. The variations of capitalization, "Shells" and "SHELLS," are also correct as they maintain the same meaning and are still in line with the plural form of the word.

The correct answer is "octopus, Octopus, OCTOPUS". The word "octopus" refers to a sea creature that has a big head and eight strong arms. The three variations of the word "octopus" (with different capitalization) are all correct because they represent different ways of writing the same word.

The sentence is discussing the lifespan of a certain subject, which is indicated by the word "usually." The word "turtles" is repeated three times, emphasizing that the subject being referred to is turtles. The sentence suggests that turtles typically live for a span of 40-70 years.

The small fish is called seahorse because of the shape of its head. This suggests that the head of the seahorse has a unique appearance or resemblance to a horse's head, which is why it is named as such. The information provided in the text does not mention anything about the fish's ability to change color or its long tail, so these options can be ruled out as the reason for its name.

The sentence states that Baijis were river ________ from China. The correct answer is "dolphins" because it is the plural form of the word and fits grammatically in the sentence.