SAT · IB · Grade 12
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Daily English Mastery

SAT & IB Grade 12 — Vocabulary · Reading · Grammar · Exam Strategy. Study the examples, then take the self-test below.

Vocabulary × 3 Reading × 3 Grammar × 2 Exam Tactics × 2 10 Questions
V

Vocabulary — Study Examples

3 examples
Vocabulary · 01
CONNOTATION vs DENOTATION
ameliorate
verb · formal / academic
To make a bad situation better; to improve or lessen suffering. Root: Latin melior = better.
Despite years of conflict, the treaty was designed to ameliorate tensions along the border rather than resolve them entirely.
Do NOT confuse with ameliorate (improve) vs deteriorate (worsen) — SAT/IB often test the exact opposite trap.
Synonym chain: mitigate → alleviate → ameliorate → improve (all mean "make less bad," but differ in intensity).
Vocabulary · 02
TONE WORDS: +/- polarity
equivocate
verb · negative connotation
To use ambiguous language to avoid committing to a clear position; to deliberately be vague. Root: Latin aequus = equal + vocare = to call.
The senator continued to equivocate on the issue of tax reform, giving answers that satisfied neither party.
Tone trap: "equivocate" is NEGATIVE (cowardly, evasive). Do not confuse with deliberate (thoughtful) or contemplate (neutral). SAT Rhetoric questions frequently ask you to identify whether a word carries positive, neutral, or negative weight.
Vocabulary · 03
CONTEXT CLUE → DEFINITION IN PASSAGE
propitious
adjective · formal
Giving or indicating a good chance of success; favorable. Root: Latin propitius = favorable.
The clear skies and calm seas offered a propitious start to the transatlantic voyage that had been delayed for weeks.
SAT strategy: When you see an unfamiliar word, locate a context clue within 2 sentences. Here, "clear skies and calm seas" = positive → so the blank = positive word. Eliminate negative options immediately.

R

Reading — Study Examples

3 examples
Reading · 01 · Main Idea / Purpose
PURPOSE = WHY the author wrote it
The proliferation of social media platforms has fundamentally altered the landscape of political discourse. Rather than fostering deliberate, nuanced debate, these platforms tend to reward brevity and emotional provocation, creating a feedback loop that amplifies outrage while marginalizing reasoned argument. Scholars who once celebrated the internet as democracy's great equalizer are now revising their assessments.

What is the author's primary purpose in this passage?

→ The author's purpose is to critique (argue against) the optimistic view of social media in politics. Key signals: "fundamentally altered" (negative verb), "reward brevity and emotional provocation" (critical), "are now revising their assessments" (shift in expert opinion = author's central evidence).
Trap: Wrong answers will say "to inform" or "to describe" — but the passage has a clear negative stance, so the purpose is to argue / critique, not merely to inform.
Reading · 02 · Inference / Tone
INFERENCE = not stated, but implied → READ BETWEEN LINES
Dr. Alvarez reviewed the grant proposal twice before setting it aside. The laboratory's equipment was aging, her team underfunded, and the peer reviewers had, over three consecutive years, found her methodology "innovative yet unsubstantiated." Still, she submitted the application.

Which inference about Dr. Alvarez is best supported by the passage?

→ She is persistent despite repeated setbacks. Evidence: (1) rejected three years in a row, (2) still submitted. The tone is quietly determined — no emotion words, yet the structure itself conveys resolve.
IB tip: In Paper 1 commentary, never say "the author feels…" — say "the author conveys / implies / suggests…" Inference must be tied to textual evidence.
Reading · 03 · Evidence Pairing (SAT-style)
EVIDENCE PAIR = answer Q1, then find the LINE that proves it
(L1)Marine biologists have long speculated about the navigational abilities of sea turtles.
(L2)A 2019 study confirmed that loggerhead turtles use Earth's magnetic field as a GPS-like system,
(L3)returning to the exact beach where they were born — sometimes after decades at sea.
(L4)Researchers caution, however, that increasing coastal light pollution may be disrupting these magnetic cues.

Strategy Demonstration: Evidence-pair questions

Step 1 — Answer the claim question first. Step 2 — Among the evidence choices, find the line that directly and specifically supports your answer. The correct evidence answer is always the one that proves your claim, not merely mentions a related topic. Here, L2–L3 provides hard evidence of navigation ability; L4 introduces a complication (counterpoint) — different purpose.
Most common error: Choosing evidence that mentions the right topic but supports a different claim. Always check logical fit, not keyword match.

G

Grammar — Study Examples

2 examples
Grammar · 01
MODIFIER PLACEMENT → dangling = always wrong
Dangling & Misplaced Modifiers

A modifier must be immediately adjacent to the noun/clause it modifies. If the doer of the modifying phrase is absent or wrong, it "dangles."

TypeExampleStatus
Dangling"Running through the forest, the storm began."
Storm doesn't run — dangling.
✗ WRONG
Fixed"Running through the forest, she noticed the storm begin."
She runs → correct subject follows comma.
✓ CORRECT
Misplaced"She almost drove her children to school every day."
"Almost" modifies "drove" (she didn't drive?) vs intended.
✗ AMBIGUOUS
Fixed"She drove her children to school almost every day."✓ CORRECT
Grammar · 02
PARALLELISM = same grammatical form in a list/comparison
Parallel Structure

In a series or comparison, all elements must share the same grammatical form (all nouns, all -ing verbs, all infinitives, etc.).

PatternExample
Not Parallel"She enjoyed reading, to write, and the editing of manuscripts."
Parallel"She enjoyed reading, writing, and editing manuscripts."
Not Parallel"The plan is cost-effective, reliable, and it can scale."
Parallel"The plan is cost-effective, reliable, and scalable."
IB Written Assignment tip: Examiners penalize non-parallel structures in analytical essays. Check every "not only…but also," "either…or," and list of three.

Exam Tactics — Study Examples

2 examples
Exam Tactic · 01 · SAT Rhetoric
RHETORICAL DEVICES: name + effect + purpose

How to analyze a rhetorical question

A rhetorical question is asked not to receive an answer, but to make a point emphatically or provoke thought. On the SAT, the question will ask why the author uses it — always frame your answer in terms of effect on the reader: "to challenge the reader's assumptions" / "to emphasize the impossibility of X" / "to create a sense of urgency."
Example: "If we cannot protect our children, what is the purpose of governance?" — Purpose: to imply that governance is failing; to emotionally engage the reader.
Wrong answers often say "to ask for information" or "to confuse the reader." A rhetorical question never genuinely seeks information.
Exam Tactic · 02 · IB Paper 1
IB P1: GUIDING QUESTION → structure your commentary

The WHAT → HOW → WHY Framework

WHAT does the text say? (content/theme)
HOW does the author say it? (literary/linguistic devices, structure, tone)
WHY does the technique create that effect? (purpose, impact on audience)
Example sentence: "Through the anaphora of 'We shall…' [HOW], Churchill constructs an unyielding tone [WHAT it creates] that positions the audience to view retreat as unthinkable [WHY — effect on audience]."
Never list devices without purpose. Examiners award marks for effect, not identification. One well-developed point with evidence > five undeveloped points.

Self-Test · 10 Questions

⏱ 00:00
1
Vocabulary ★★★★☆ Hard
The diplomat's speech was praised for its ability to            hostilities without making any explicit concessions — a delicate balance rarely achieved in international negotiations.
✓ Correct Answer: B — ameliorate
"Ameliorate" means to improve or lessen a bad situation — the only choice compatible with "without making concessions" (implying the improvement came through skillful language).

Why not the others? (A) exacerbate = make worse — opposite meaning. (C) equivocate = be deliberately vague — doesn't fit "praised." (D) obfuscate = deliberately confuse — negative.
2
Vocabulary ★★★★★ Very Hard
As used in the passage, the word "propitious" most nearly means:
"The committee selected a propitious moment to announce the merger — markets were at a three-year high and consumer confidence had rarely been stronger."
✓ Correct Answer: C — favorable
Context clues: "markets at a three-year high" and "consumer confidence… rarely stronger" both signal an exceptionally positive environment. Propitious = favorable, auspicious.

Why not the others? (A) controversial — no conflict is described. (B) deliberate — means intentional, not about conditions being good. (D) inevitable — means unavoidable; timing could have been avoided; wrong meaning.
3
Vocabulary ★★★☆☆ Medium-Hard
The senator's habit of            on controversial topics frustrated voters who demanded straightforward policy positions.
✓ Correct Answer: A — equivocating
The key phrase "frustrated voters who demanded straightforward positions" signals that the senator was doing the opposite — being vague, evasive. Equivocating = deliberately using ambiguous language.

(B) expounding = explaining in detail — the opposite of vague. (C) deliberating = thinking carefully — neutral/positive. (D) ameliorating = improving — wrong semantic field entirely.
4
Reading ★★★★☆ Hard
The assumption that economic growth inevitably leads to improved well-being has been challenged by a growing body of research. Studies tracking happiness indices across OECD nations reveal a consistent pattern: beyond a moderate income threshold, additional wealth contributes little to reported life satisfaction. Critics of GDP-centric policy argue that governments must shift their focus toward metrics that capture social cohesion, mental health, and environmental sustainability.
The passage primarily argues that:
✓ Correct Answer: D — measuring well-being through GDP alone is insufficient
The entire passage builds toward the final sentence: governments must shift to broader metrics. The argument is not that growth is bad (→ eliminates A), nor that one data source beats another (→ eliminates B). C is a misreading — OECD is used as a research sample, not a wealth comparison.

Strategy: The last sentence of a passage paragraph usually contains the author's main claim or conclusion — always read it carefully.
5
Reading ★★★★★ Very Hard
(L1)The notion of a singular "American Dream" obscures the profound disparities that have always structured opportunity in the United States.
(L2)Historians note that upward mobility, far from being universally accessible, has been systematically constrained by race, class, and geography.
(L3)Recent economic data supports this analysis, showing that the correlation between parental income and a child's eventual earnings has strengthened, not weakened, over the past four decades.
(L4)Yet the mythology persists, reproduced in political speeches and popular culture alike.
Which choice best supports the claim that structural barriers have limited mobility in America?
✓ Correct Answer: B — Lines 3
This is an evidence-pairing question. The claim is that "structural barriers have limited mobility." The best evidence is specific data demonstrating this. Lines 3 provides concrete quantitative support (correlation strengthened over 40 years).

Why not D? Lines 2 also claims barriers exist, but it is a historian's assertion without the empirical specificity of L3. On the SAT, data-backed evidence beats general assertion when both are available as answer choices.
6
Reading ★★★★☆ Hard
Dr. Chen's laboratory had achieved what many considered impossible: a room-temperature superconductor synthesized from abundant, inexpensive materials. She was careful, however, to couch her team's findings in cautious language, noting that replication by independent laboratories remained the essential next step.
The author's description of Dr. Chen's language as "cautious" primarily serves to:
✓ Correct Answer: C — highlights scientific rigor and intellectual humility
The passage calls her achievement "what many considered impossible" — clearly significant. Therefore (D) is wrong. She does not doubt herself (→ eliminates A) and there is no mention of community skepticism (→ eliminates B). Her cautiousness is framed positively: she is following the scientific method by awaiting replication, which signals intellectual rigor.

IB lens: In commentary, this would be described as the author using diction ("cautious") to characterize the scientist sympathetically — building ethos.
7
Grammar ★★★★☆ Hard
Which of the following sentences contains a dangling modifier?
✓ Correct Answer: A — "Having studied all night, the exam seemed impossibly difficult."
In (A), the participial phrase "Having studied all night" implies a subject who studied. But the main clause's subject is "the exam" — exams cannot study. This is a dangling modifier.

(B) is correct: "she" studied → she found it difficult. (C) is correct: the relative clause properly modifies "the exam." (D) is correct: "she" is the subject of both clauses.
8
Grammar ★★★★★ Very Hard
Choose the option that corrects the faulty parallel structure:

"The new policy aims to reduce carbon emissions, improving public health outcomes, and the stimulation of green-sector investment."
✓ Correct Answer: D
The verb "aims to" governs all three items in the list. Each item must be an infinitive base form: reduce… improve… stimulate. Answer D achieves perfect parallel structure.

(A) mixes infinitive ("reduce") with gerund ("improving") and gerund ("stimulating") — not parallel after "aims to." (B) uses "to reducing" which is non-standard. (C) mixes infinitive and noun phrase — not parallel.
9
Exam Tactic ★★★★☆ Hard
"Should we, as a society, continue to measure our collective success by the relentless accumulation of material wealth — or dare we imagine a civilization guided by compassion, creativity, and connection?"
The author's use of a rhetorical question in this passage primarily serves to:
✓ Correct Answer: B — challenge the reader to reconsider existing assumptions
Rhetorical questions don't seek information (→ eliminates A). The author's word choice ("dare we imagine") and the contrast ("relentless accumulation" = negative vs "compassion, creativity, connection" = positive) signal a clear bias toward alternative values — not uncertainty (→ eliminates C) and not a "balanced" presentation (→ eliminates D). The purpose is to provoke the reader into questioning the status quo.

SAT tip: When an author uses emotionally loaded language in a question, they are guiding you to one answer — it is not neutral or balanced.
10
Exam Tactic ★★★★★ Very Hard
In an IB Paper 1 unseen commentary task, a student identifies the following devices in a persuasive speech: anaphora, tricolon, and direct address. The student's paragraph reads: "The author uses anaphora, tricolon, and direct address. These are effective rhetorical devices."
Which revision of the student's commentary paragraph best reflects IB higher-level analytical writing standards?
✓ Correct Answer: C
(C) demonstrates the WHAT→HOW→WHY framework: it names the device (anaphora), quotes textual evidence ("We will…"), explains the effect ("accumulative sense of determination"), and analyzes audience positioning ("inevitable"). It also links two devices (anaphora + tricolon) to show how they work together — a hallmark of IB HL commentary.

(A) is vague and uses the word "effective" without explanation — a common examiner complaint. (B) counts occurrences but doesn't explain effect. (D) correctly identifies devices but only offers surface-level descriptions with no deeper analysis of effect or purpose.
0/10
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