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Light, machines and medicine: how the last 250 years changed a normal day

Tests: 6 of 12 right · Exam: 1 of 4 right · Kind: ★★ · Understood: 6 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 65 of the history course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.

Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.

Test 1 · ★★ · right ✓

toby's mate says fleming saved everyone in like a day lol. what's the real story

  • 1. Fleming spotted it; a team took years to make the medicine — ← Mova's choice · ✓ the right answer · score 5
  • 2. Fleming invented the vaccine for cows, not penicillin, duh — score 2
  • 3. Correct, one man in one day, then everyone was cured — no support
  • 4. Nah, penicillin was only found in 2020 — score 4

Why: It took the question to ask which statement is true. It chose option 1 with score 5, against 4 for the next best. Its support: lesson 42, line 1: «Around 988 Prince Volodymyr of Kyiv took Christianity from Byzantium; Danylo says he dunked everyone in the Dnipro in one day, but a whole land took generation…», reached through the same lesson line as the sentence the question matched. What matched: the same action «take» (+3); the same property (+3). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

Abby says Gran is delulu about the washing machine. What is fair?

  • 1. It is a real debate; home machines freed huge amounts of time — ✓ the right answer · score 4
  • 2. Gran's right, but only because the internet came in 1800 — no support
  • 3. Washing machines came before fire, so they're nothing special — no support
  • 4. Gran is totally wrong: washing machines changed nothing at home — ← Mova's choice · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, against 4 for the next best. Its support: lesson 65, line 1: «Toby's friend says Fleming found penicillin and saved everybody in like a day. Abby tells her gran it is «delulu», short for deluded, to say the washing machin…», reached through what was said in the sentence the question matched. What matched: the same action «change» (+4); the same doer «washing machine» (+4). Against it: a different thing acted on (counts against) (-2). The right option, 1, scored 4. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · right ✓

«shut that fridge, u'll waste the cold» says Mum. What did families do before fridges?

  • 1. Never ate any fresh food at all, only bread — score 2
  • 2. Shopped often and kept food in cellars or with ice — ← Mova's choice · ✓ the right answer · score 12
  • 3. Ate only frozen pizza from the shop every day — no support
  • 4. Kept their food in the oven, where it always stayed cool — score 10

Why: It took the question to ask what is done. It chose option 2 with score 12, against 10 for the next best. Its support: lesson 65, line 8: «Electric fridges became common in American homes by about 1950 and in many other countries later; before, people shopped often and kept food cool in cellars or…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+5); the same action «keep» (+4); the same thing acted on «food» (+2); the same place «cellars» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · wrong ✗

The nurse says vaccines are a long story that starts with cows. Who else belongs in it?

  • 1. Nobody: cows invented it and people just copied — ← Mova's choice · score 4
  • 2. People in China, India, Africa and Onesimus in Boston — ✓ the right answer · no support
  • 3. The Wright brothers, who flew vaccines around the world — no support
  • 4. Only Jenner; nobody else had any idea before him — no support

Why: It took the question to ask a circumstance (with what, when, how). It chose option 1 with score 4, the only option with support. Its support: lesson 29, line 9: «Newton said a falling apple made him think about gravity, but the story that it hit him on the head is probably made up.», reached through the option's own match among the sentences about the question's things. What matched: the same action «make up» (+2); the same thing acted on «story» (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · wrong ✗

In 1847 Semmelweis told doctors to wash their hands and they laughed. What would happen without his idea winning?

  • 1. Doctors would get cleaner anyway by magic — ← Mova's choice · no support
  • 2. Nothing, germs do not exist — no support
  • 3. Far more people would die from germs — ✓ the right answer · no support
  • 4. Hospitals would close for ever — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · wrong ✗

Fatima asks: before anaesthetics, were people awake for operations?

  • 1. No, surgery was always painless — ← Mova's choice · no support
  • 2. Yes, until ether was shown in 1846 — ✓ the right answer · no support
  • 3. No, there was no surgery at all — no support
  • 4. Yes, but only in 2000 — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · wrong ✗

Leo hears that in 1800 four in ten kids died young. Why do so few die today?

  • 1. Children stopped going outside to play — ← Mova's choice · no support
  • 2. Clean water, vaccines, better food and medicine — ✓ the right answer · no support
  • 3. Doctors found one magic potion that cures everything — no support
  • 4. People just got luckier than they used to be — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · right ✓

Jasper's grandad's grandad saw the first car in the village. How quickly did travel change?

  • 1. From the first planes to the Moon in 66 years — ← Mova's choice · ✓ the right answer · no support
  • 2. It never changed at all — no support
  • 3. It took 2,000 years — no support
  • 4. Cars came after the Moon landing — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · wrong ✗

Ava laughs at a dial phone; Grandad says it was cutting edge, kid. When did TV spread?

  • 1. In Roman times, lol — ← Mova's choice · no support
  • 2. Mostly from the 1950s — ✓ the right answer · no support
  • 3. Only in the 2020s — no support
  • 4. Back in the early 1700s — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

Mason moans about school at 9; his dad says factory kids in 1830 started at 6. Why do we have weekends?

  • 1. Computers chose them — no support
  • 2. Nature made Saturdays — no support
  • 3. Workers fought for shorter hours — ← Mova's choice · ✓ the right answer · score 5
  • 4. Kings gave them away for fun — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 5, the only option with support. Its support: lesson 65, line 5: «Every change had people behind it and new problems after it. Workers campaigned for weekends, doctors who said «wash your hands» were laughed at first, and pla…», reached through the same lesson line as the sentence the question matched. What matched: the same doer «workers» (+3); the same action «campaign» (+2). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · right ✓

Your game gives a tech that is pure upside. Which real invention shows help and harm together?

  • 1. Plastic: useful and clean, but it litters seas — ← Mova's choice · ✓ the right answer · no support
  • 2. Glasses: they helped some but made everyone else blind — no support
  • 3. Soap: no downside at all, so it's the perfect pick — no support
  • 4. Fridges: handy at first, but they made all food rot — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · right ✓

ugh a cold, gimme antibiotics. What would the doctor say?

  • 1. Antibiotics do not work on viruses like colds — ← Mova's choice · ✓ the right answer · no support
  • 2. Only if you take ten of them at once with juice — no support
  • 3. Yes, antibiotics cure every illness, colds too — no support
  • 4. Antibiotics are only for cows, not for people — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the persons who developed penicillin into a usable medicine during the nineteen-forties.

  • 1. Alexander Fleming alone, within a single day — ← Mova's choice · no support
  • 2. Howard Florey, Ernst Chain and their colleagues — ✓ the right answer · no support
  • 3. Edward Jenner and Onesimus — no support
  • 4. Karl Benz and Henry Ford — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Select the response consistent with the established facts concerning child mortality.

  • 1. It has risen tenfold since 1800, owing chiefly to the growth of cities — ← Mova's choice · no support
  • 2. It has remained constant since 1800, at about four children in ten — no support
  • 3. It fell from about four in ten children in 1800 to about four in one hundred today — ✓ the right answer · no support
  • 4. It was eliminated entirely in the year 1900 throughout the world — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Which of the following statements most accurately characterises the origins of vaccination?

  • 1. Vaccination is ineffective against smallpox and was abandoned — no support
  • 2. Earlier practices in several lands preceded Jenner's use of cowpox in 1796 — ✓ the right answer · no support
  • 3. Vaccination was devised in the twentieth century by Louis Pasteur — no support
  • 4. Vaccination was devised by a single person without any precedent whatsoever — ← Mova's choice · score 2

Why: It took the question to ask who or what does it. It chose option 4 with score 2, the only option with support. Its support: lesson 51, line 14: «Laozi is the traditional author of the Dao De Jing, a short book about following the natural «Way» (Dao); his very long life is a legend, and some historians d…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+2); the same doer «laozi» (+1). Against it: a different thing acted on (counts against) (-1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Ascertain the principal reason for the adoption of the two-day weekend in the early twentieth century.

  • 1. Sustained campaigning by workers for reduced hours — ← Mova's choice · ✓ the right answer · no support
  • 2. A decree of the Roman Empire revived by later kings — no support
  • 3. The invention of plastic and of household machines — no support
  • 4. A natural law of the calendar observed since antiquity — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/history/65-light-machines-and-medicine-how-the-last-250-years-changed-a-normal-day/