Tài liệu 501 grammar and writing questions learning express part 17 pdf

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incorrect because Part 1 is a compound sentence, Part 2 a complex sentence; they should not

be combined into one, unmanageably long sentence. Choice d is incorrect because removing

Part 7 would delete material that is necessary to the development of the paragraph.

454. a. The context requires a noun meaning awareness of the moral or ethical side of one's

conduct; the word conscience has this meaning. The words in the other choices do not have

this meaning.

455. b. The sentence is written in present tense, so the present tense of believe is required.

Choice a would incorrectly replace the subjunctive were used to indicate a hypothetical

situation, with the indicative verb was. Choice c introduces an error in pronoun/antecedent

agreement. Choice introduces an error in verb tense.

SET 36 (Page 107)

456. d. In Part 6, the modifier finally is misplaced. It would be better placed at the beginning of

the sentence. Choices a, b, and c are incorrect because those sentences use modifiers

correctly.

457. c. The word the is necessary before the singular wheelchair tie-down system. Choices a, b,

and d are incorrect because they all would produce errors concerning the idiomatic use of the.

458. a. A semicolon should separate two complete sentences (independent clauses); the second

half of Part 6 is not a complete sentence but a restatement of a portion of the first half. This

makes a colon appropriate. Choices b and c would create run-on sentences. Choice d would

incorrectly separate two independent clauses joined by a conjunction (and) with a semicolon.

459. c. The pronoun is one of the subjects of the sentence, and so it should be changed from the

object form him to the subject form he. Choice a is incorrect because the comma is necessary

before the conjunction. Choice b is incorrect because the possessive form is not required in

this context. Choice d is incorrect because their, meaning belonging to them, is correct in this

context.

460. a. The tone of this paragraph is formal and specific; it also uses professional jargon—for

instance, in referring to the parts of a house with which firefighters should be familiar.

Choice c is correct because the phrase just fine is too colloquial and informal for the tone of

the passage. Choices a, b, and d are incorrect because those words and phrase are all in

keeping with the tone of the passage.

461. d. The semicolon after fires in Part 3 creates a sentence fragment, because the phrase before

the semicolon is not an independent clause.

462. a. The comma is needed after process to set off the interruptive phrase known as overhaul.

Choice b is incorrect because this comma is necessary for separating items in a list. Choice d

would create a run-on sentence. Choice d is incorrect because semicolons are necessary to

separate items in a list that have internal commas.

463. b. The phraseat the ceiling should be replaced with on the ceiling.

464. c. The pronoun it should be changed to they to agree in number and person with its

antecedent, detectors. Choices a, b, and d are incorrect because they do not contain

nonstandard uses of pronouns.

465. c. The paragraphs are related in that they both talk about the physical effects of extreme heat

on people and the treatment of these conditions. Each paragraph's main subject is a different

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