신성우의 영점잡기

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About this app

You got the answer right, but can't explain why?

Shin Sung-woo's Zeroing is an app that trains you by breaking down past Civil Service and PSAT questions into individual answer choices. The exam ultimately comes down to judging the correctness of five answer choices. However, most people just pick the correct answer and skim over the rest. Those ambiguously skipped choices will trip you up in the exam room.

Just as you zero in a gun, aim precisely at each and every answer choice.

■ True/False Training by Answer Choice

We divide a past exam question into True/False cards for each answer choice. Since this training involves judging "why this answer choice is right / why it is wrong" one by one based on the original text, it builds genuine skills rather than just guessing.

■ Reading Comprehension Training — Read Less, Judge Accurately

High scores in Verbal Reasoning depend on reading less than others while judging answer choices quickly and accurately. We train on a single past exam passage in three stages.

· Skipping the Framework — Grasp the structure first by identifying the connections of information. Illegible details that can be looked up later, such as years and figures, and skim only the framework necessary for judgment.

· Finding Evidence & Judgment — Look at the answer choices, go back to the passage, tap the supporting sentence directly, and select Correct / Incorrect / Undecidable.

· Comparison — Place the evidence you selected side by side with the actual evidence to identify where they differ.

Reading speed and evidence accuracy are recorded at each stage, separating "errors caused by failing to find evidence" from "errors caused by finding evidence but making a wrong judgment."

■ Practical Set Practice

Solve all questions from that year consecutively, timing yourself as if in an actual exam, using the original question and the five answer choices in their original order. Skip any questions you get stuck on and return to them at the end. There are no aids.

**Solve all questions from that year consecutively, timing yourself just like in a real exam.** ■ Included Past Exam Questions

· Grade 5 PSAT Verbal Reasoning — All past exam questions from 2005 to 2026

· Grade 7 PSAT Verbal Reasoning — From the 2020 Mock Exam to 2026

· Private Sector Career Verbal Reasoning — From 2011 to 2021

· Grade 9 National Civil Service Korean — From 2025 to 2026

· Reading Comprehension Training also includes passages from the CSAT Korean (Reading) section.

※ The latest past exam questions are continuously added for each test.

■ Customized Training by Question Type

· Option True/False — Judging the correctness of each option based on the original text

· Argumentation — Logical reasoning to determine if it is necessarily true or if a conclusion can be derived

· Strengthening/Weakening — Evaluating whether the option strengthens or weakens the thesis

· Experiment/Logic Quiz — Interactive, just like solving on paper in a real exam

■ Original Text + Explanations

The passages are included exactly as they appear in the original past exams, without any modifications. With explanations that pinpoint the reasoning for each option and key summaries, you will firmly grasp exactly why that is the correct answer.

■ For These People

Students preparing for the Grade 5, Grade 7, Civil Service Examination (KCPA), and Grade 9 exams who want to raise their accuracy in Verbal Reasoning and Korean by one notch.

Reading training and practice sets are available with a Premium subscription.

Starting today, sharpen your focus on every single option.

What’s new

홈 탭이 생기고, 피즐 리그에서 이번 주 순위를 볼 수 있어요.
- 홈: 연속 학습, 오늘의 10문제, 오늘의 추천을 한 화면에서 시작해요
- 피즐 리그: 선지 OX 오늘의 10문제나 독해훈련 오늘의 지문을 끝내고 '내 순위 보기'를 누르면 피즐에서 5급/입법·7급공채 리그 순위를 볼 수 있어요
- 독해 프로필: 마이페이지로 옮기고, 등급(C 입문·B 기본·A 숙련·S 달인)과 다음 등급까지 남은 조건을 먼저 보여 드려요
- 다크 모드: 설정에서 시스템·라이트·다크 중에 고를 수 있어요
- 실전·독해 세트에서 뒤로 가기로 나가도 저장할지 물어봐요
- 두 번째 실행부터 앱이 더 빨리 열려요
- 추천 앱에 상황판단 훈련 앱 법갈피를 추가했어요