Question

example: time travel is a
a. theory b. theorize c. theoretical

1. a cube and a pyramid are shapes that have three ______.

a. dimensions b. dimensional c. dimensioned

1. the president ______ her statement to prevent confusion.

a. clarification b. clarify c. clarified

1. how to prevent himself from starving to death was just one of mark’s ______.

a. dilemmatic b. dilemmas c. dilemma

1. engineers create ______ new technology to improve people’s lives.

a. innovation b. innovate c. innovative

1. the ______ of the spacesuit’s design needs to be tested.

a. effectively b. effective c. effectiveness

1. landing humans on mars by 2033 is a ______ ambitious goal.

a. massively b. massiveness c. massive

1. in ______, humans should be able to colonize other planets.

a. theory b. theorize c. theoretical

1. the ______ of the story is an astronaut who is accidentally left on another planet.

a. protagonists b. protagonism c. protagonist

1. the audience listened in silence as the explorers ______ their adventure.

a. recount b. recounted c. recounting

1. to solve problems, the team members will need to ______ possible solutions.

a. strategy b. strategic c. strategize
b choose one word family. use each word in a sentence.
effective (adj) theory (n) innovative (adj)
effectively (adv) theorize (v) innovate (v)
effectiveness (n) theoretical (adj) innovation (n)
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26 unit 1

Explanation:

Part A (Multiple Choice)

1. Question 1

• Brief Explanations: A cube and a pyramid are three - dimensional shapes, and we need the noun form to show the number of dimensions. "dimensions" is the plural noun form, "dimensional" is an adjective, and "dimensioned" is a verb - related form. So the correct answer is a. dimensions.
• Answer: a. dimensions

1. Question 2

• Brief Explanations: The sentence needs a verb in the past tense. "clarification" is a noun, "clarify" is a verb in the base form, and "clarified" is the past - tense verb form. So the correct answer is c. clarified.
• Answer: c. clarified

1. Question 3

• Brief Explanations: "one of" is followed by a plural noun. "dilemmatic" is an adjective, "dilemmas" is the plural noun form, and "dilemma" is the singular noun form. So the correct answer is b. dilemmas.
• Answer: b. dilemmas

1. Question 4

• Brief Explanations: We need an adjective to describe "new technology". "innovation" is a noun, "innovate" is a verb, and "innovative" is an adjective. So the correct answer is c. innovative.
• Answer: c. innovative

1. Question 5

• Brief Explanations: The sentence needs a noun. "effectively" is an adverb, "effective" is an adjective, and "effectiveness" is a noun. So the correct answer is c. effectiveness.
• Answer: c. effectiveness

1. Question 6

• Brief Explanations: We need an adjective to describe "ambitious goal". "massively" is an adverb, "massiveness" is a noun, and "massive" is an adjective. So the correct answer is c. massive.
• Answer: c. massive

1. Question 7

• Brief Explanations: "in theory" is a fixed phrase. "theorize" is a verb, and "theoretical" is an adjective. So the correct answer is a. theory.
• Answer: a. theory

1. Question 8

• Brief Explanations: The sentence is about the main character of the story, and we need a singular noun. "protagonists" is plural, "protagonism" is a non - standard noun for this context, and "protagonist" is the singular noun for the main character. So the correct answer is c. protagonist.
• Answer: c. protagonist

1. Question 9

• Brief Explanations: The sentence is in the past tense, so we need a past - tense verb. "recount" is the base form, "recounting" is a non - finite form, and "recounted" is the past - tense verb form. So the correct answer is b. recounted.
• Answer: b. recounted

1. Question 10

• Brief Explanations: The sentence needs a verb. "strategy" is a noun, "strategic" is an adjective, and "strategize" is a verb. So the correct answer is c. strategize.
• Answer: c. strategize

Part B (Word Family Sentences)

Let's choose the "effective" word family:

• effective (adj): The new teaching method is very effective in improving students' scores.
• effectively (adv): She managed the project effectively and completed it on time.
• effectiveness (n): The effectiveness of the new drug will be tested in clinical trials.

Answer:

Part A (Multiple Choice)

1. Question 1

• Brief Explanations: A cube and a pyramid are three - dimensional shapes, and we need the noun form to show the number of dimensions. "dimensions" is the plural noun form, "dimensional" is an adjective, and "dimensioned" is a verb - related form. So the correct answer is a. dimensions.
• Answer: a. dimensions

1. Question 2

• Brief Explanations: The sentence needs a verb in the past tense. "clarification" is a noun, "clarify" is a verb in the base form, and "clarified" is the past - tense verb form. So the correct answer is c. clarified.
• Answer: c. clarified

1. Question 3

• Brief Explanations: "one of" is followed by a plural noun. "dilemmatic" is an adjective, "dilemmas" is the plural noun form, and "dilemma" is the singular noun form. So the correct answer is b. dilemmas.
• Answer: b. dilemmas

1. Question 4

• Brief Explanations: We need an adjective to describe "new technology". "innovation" is a noun, "innovate" is a verb, and "innovative" is an adjective. So the correct answer is c. innovative.
• Answer: c. innovative

1. Question 5

• Brief Explanations: The sentence needs a noun. "effectively" is an adverb, "effective" is an adjective, and "effectiveness" is a noun. So the correct answer is c. effectiveness.
• Answer: c. effectiveness

1. Question 6

• Brief Explanations: We need an adjective to describe "ambitious goal". "massively" is an adverb, "massiveness" is a noun, and "massive" is an adjective. So the correct answer is c. massive.
• Answer: c. massive

1. Question 7

• Brief Explanations: "in theory" is a fixed phrase. "theorize" is a verb, and "theoretical" is an adjective. So the correct answer is a. theory.
• Answer: a. theory

1. Question 8

• Brief Explanations: The sentence is about the main character of the story, and we need a singular noun. "protagonists" is plural, "protagonism" is a non - standard noun for this context, and "protagonist" is the singular noun for the main character. So the correct answer is c. protagonist.
• Answer: c. protagonist

1. Question 9

• Brief Explanations: The sentence is in the past tense, so we need a past - tense verb. "recount" is the base form, "recounting" is a non - finite form, and "recounted" is the past - tense verb form. So the correct answer is b. recounted.
• Answer: b. recounted

1. Question 10

• Brief Explanations: The sentence needs a verb. "strategy" is a noun, "strategic" is an adjective, and "strategize" is a verb. So the correct answer is c. strategize.
• Answer: c. strategize

Part B (Word Family Sentences)

Let's choose the "effective" word family:

• effective (adj): The new teaching method is very effective in improving students' scores.
• effectively (adv): She managed the project effectively and completed it on time.
• effectiveness (n): The effectiveness of the new drug will be tested in clinical trials.