Which of the following is a compound sentence?
- A. Plague, generally not a major public health concern, actually continues to spread among rodent populations today, and it even occasionally makes its way into a human host.
- B. Modern archaeology, which seeks answers to humanity's questions about its past, is significantly helped by new technologies.
- C. In the fight against obesity, countries around the world are imposing taxes on sodas and other sugary drinks in an effort to curb unhealthy habits.
- D. Because the assassination of President John F. Kennedy continues to haunt and fascinate Americans, new movies, books, and television series about it are released every year.
Correct Answer: A
Rationale: A compound sentence consists of two or more independent clauses that are joined by coordinating conjunctions such as 'and,' 'but,' or 'or.' In choice A, the sentence contains two independent clauses separated by the coordinating conjunction 'and': 'Plague, generally not a major public health concern, actually continues to spread among rodent populations today' and 'it even occasionally makes its way into a human host.'
Choice B is a complex sentence as it contains a dependent clause 'which seeks answers to humanity's questions about its past' and an independent clause 'is significantly helped by new technologies.'
Choice C is a simple sentence with one independent clause: 'In the fight against obesity, countries around the world are imposing taxes on sodas and other sugary drinks in an effort to curb unhealthy habits.'
Choice D is a complex sentence with a dependent clause 'Because the assassination of President John F. Kennedy continues to haunt and fascinate Americans' and an independent clause 'new movies, books, and television series about it are released every year.'
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Which of the following statements about heat engines is true?
- A. Heat engines are the most common type of engine.
- B. Pneumatic and hydraulic motors are both types of electric engines.
- C. The three types of engines are heat engines, electric engines, and pneumatic motors.
- D. Heat engines can be broken down into combustion and non-combustion engines.
Correct Answer: D
Rationale: The statement that 'Heat engines can be broken down into combustion and non-combustion engines' is correct. Heat engines can indeed be categorized into combustion engines, where fuel combustion occurs, and non-combustion engines, such as steam engines, where heat is applied without combustion. This categorization helps in understanding the different mechanisms and types of heat engines available. Choices A, B, and C are incorrect. Choice A is incorrect as heat engines are not the most common type of engine; internal combustion engines are more prevalent. Choice B is incorrect as pneumatic and hydraulic motors are not types of electric engines, but rather different systems that use gas (pneumatic) or liquid (hydraulic) to transmit power. Choice C is incorrect as it lists electric engines, which are not a primary classification of engines like heat engines, but rather a type of engine that uses electricity to operate.
After a twelve-hour workday, James was exhausted when he heard the news.
- A. .
- B. ;
- C. ,
- D. -
Correct Answer: C
Rationale: The comma (,) is used to separate the introductory clause 'After a twelve-hour workday' from the main clause 'James was exhausted when he heard the news.' This punctuation correctly indicates the relationship between the two clauses without interrupting the flow of the sentence. Choice A (.), a period, would create two separate sentences, which is not appropriate in this context. Choice B (;) is too strong of a pause and semicolons are typically used to connect closely related independent clauses. Choice D (-) is an em dash, which is used to set off an abrupt break or interruption in the sentence, not to separate an introductory clause from the main clause.
Unfortunately, the belief that changelings could be convinced to leave was not just an innocuous superstition; however, on some occasions, harm came to the individual who was thought to be a changeling. Which is the best way to revise and combine the underlined portion of the sentences?
- A. an innocuous superstition, on some occasions,
- B. an innocuous superstition, but on some occasions,
- C. an innocuous superstition; however, on some occasions,
- D. an innocuous superstition: on some occasions,
Correct Answer: C
Rationale: The best way to revise and combine the underlined portion of the sentences is by using a semicolon to show a stronger connection between the two ideas. Using 'however' after the semicolon helps to contrast the innocuous superstition with the negative outcome that sometimes occurred, providing a smoother flow between the ideas. Choice A is incorrect as it lacks a proper conjunction or punctuation to connect the ideas. Choice B is incorrect as 'but' does not effectively contrast the ideas as 'however' does. Choice D is incorrect as a colon is used to introduce a list or explanation, which is not suitable in this context where a contrast is needed.
Which of the following sentences has correct pronoun-antecedent agreement?
- A. The storm, which included three days of rain, was very strong, and it left half the city flooded.
- B. Each of the cars needs to be examined for damage by a mechanic; they may need repairs.
- C. The number of people who had to evacuate hasn't been confirmed, but it is small.
- D. Many people were able to take advantage of shelters, where they were kept safe from the storm.
Correct Answer: C
Rationale: Sentence C correctly maintains the pronoun-antecedent agreement. In this sentence, the antecedent is 'number of people,' and the pronoun 'it' is used to refer back to this antecedent. The singular pronoun 'it' matches the singular antecedent 'number,' making the sentence grammatically correct.
Choice A is incorrect because it uses the plural pronoun 'they' to refer back to the singular antecedent 'storm.'
Choice B is incorrect as it uses the plural pronoun 'they' to refer back to the singular antecedent 'each of the cars.'
Choice D is incorrect because it uses the singular pronoun 'he or she' to refer back to the plural antecedent 'many people.' This creates a lack of agreement between the pronoun and its antecedent.
The patient's preoperative evaluation is scheduled for next Wednesday. In the sentence, the prefix pre- indicates that the evaluation will take place at which of the following times?
- A. before the operation
- B. after the operation
- C. during the operation
- D. outside of the operation
Correct Answer: A
Rationale: The prefix 'pre-' typically means before. In this case, 'preoperative' refers to activities that occur before an operation. Therefore, the patient's preoperative evaluation, scheduled for next Wednesday, will take place before the operation. Choices B, C, and D are incorrect because the prefix 'pre-' specifically indicates a time before the operation, not after, during, or outside of it.