Resources and what countries trade

Tests: 3 of 12 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 8 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 27 of the geography 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 · ★★ · wrong ✗

Why does Britain import bananas?

1. Bananas need a tropical climate that Britain lacks — ✓ the right answer · no support
2. Bananas in Britain grow only in winter — no support
3. British bananas are too big to eat — no support
4. Britain bans growing bananas by law to protect the farmers of its old colonies — ← Mova's choice · score 2

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 2, the only option with support. Its support: lesson 27, line 1: «Britain cannot grow bananas outdoors, and Ecuador does not build many jet engines, so each sells what it is good at and buys the rest. That is trade, and it is…», reached through the option's own match among the sentences about the question's things. What matched: the same action «grow» (+3); the same doer «britain» (+2). Against it: one says «not», the other does not (counts against) (-3). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

A huge ship gets stuck sideways in the Suez Canal for a week. What happens?

1. Hundreds of ships are delayed and goods arrive late — ✓ the right answer · score 2
2. Nothing, the other ships simply sail round it on the wide canal — ← Mova's choice · score 5
3. The canal moves to a new place — score 4
4. All trade between countries stops forever — no support

Why: It took the question to ask what happens next. It chose option 2 with score 5, against 4 for the next best. Its support: lesson 20, line 13: «Each ship passing through the Panama Canal uses about 200 million litres of fresh water, and a drought in 2023 forced the canal to limit the number of ships.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «ship» (+2); the same place «panama canal» (+2); the same circumstance (+2). Against it: a different action (counts against) (-1). The right option, 1, scored 2. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · right ✓

In the game each location makes one good. Is that how a real region worked?

1. No, real places produced many things at once — ← Mova's choice · ✓ the right answer · score 6
2. Yes, each town made exactly one thing and bought all the rest — score 3
3. No, real places produced nothing at all — score 3
4. Yes, and they swapped it every year — no support

Why: It took the question to ask what something is like. It chose option 1 with score 6, against 3 for the next best. Its support: lesson 27, line 4: «In Europa Universalis 5 each location produces one raw material and trade flows to the markets that pull hardest. Real places produced many things at once, and…», reached through the same lesson line as the sentence the question matched. What matched: the same action «produce» (+2); the same doer «real places» (+2); the same thing acted on «many things» (+2). · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · right ✓

Why did American silver end up in China?

1. China wanted silver and sold silk, tea and porcelain for it — ← Mova's choice · ✓ the right answer · score 5
2. Chinese ships dug it up in Mexico — no support
3. Silver floated across the Pacific on the strong ocean currents to China — no support
4. China owned the silver mines in Bolivia — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 5, the only option with support. Its support: lesson 27, line 12: «Silver from Potosí in Bolivia and from Mexico flowed to Europe and across the Pacific to China in the 1500s to 1700s, because China wanted silver and paid for…», reached through the option's own match among the sentences about the question's things. What matched: the same action «want» (+3); the same doer «china» (+2). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · wrong ✗

oil's in Saudi but not in my back garden, why's that

1. Oil only forms in hot countries today — ← Mova's choice · no support
2. Kings decided where to put the oil — no support
3. Oil formed from ancient sea life under special rocks in some places — ✓ the right answer · no support
4. Oil is spread evenly but hidden deeper in Britain — 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

Test 6 · ★★ · wrong ✗

Why do navies care so much about narrow straits?

1. Straits are the only places in the sea where fish can live and breed — ← Mova's choice · no support
2. Straits are where all the oil is pumped up — no support
3. Navies need narrow water to park ships — no support
4. Whoever controls them can block a huge share of trade — ✓ the right answer · 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

Test 7 · ★★ · wrong ✗

My uncle says London earns money without making stuff. How?

1. Other countries pay it for being old — ← Mova's choice · no support
2. It sells services like banking and insurance — ✓ the right answer · no support
3. It prints money and keeps it — no support
4. He is wrong, every pound comes from factories — 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 · ★★ · wrong ✗

If every country tried to make absolutely everything itself, what would happen?

1. Nothing would change at all — no support
2. Everything would become much cheaper, because there would be no more transport costs at all — no support
3. Many things would be dearer or worse, as each would make things it is bad at — ✓ the right answer · no support
4. Every country would grow bananas easily — ← Mova's choice · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, the only option with support. Its support: lesson 9, line 3: «The young country grew by buying land, like the Louisiana Purchase from France and Alaska from Russia, by wars and by settlers pushing west, until it stretched…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «young country» (+4); the same action «grow» (+2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · wrong ✗

Why are lithium mines so important today?

1. Lithium is the main fuel of ships — ← Mova's choice · no support
2. Batteries for phones and electric cars need lithium — ✓ the right answer · no support
3. Lithium is used to make bread rise in factory bakeries — no support
4. Lithium mines produce clean water — 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 ✓

Chocolate costs a lot, but the cocoa farmer is poor. How can that be?

1. Farmers are paid only in chocolate — no support
2. Chocolate is made without cocoa now — no support
3. Cocoa farmers refuse to sell their cocoa — no support
4. Most of the price goes to traders, factories, brands and shops — ← Mova's choice · ✓ the right answer · score 5

Why: It took the question to ask what something is like. It chose option 4 with score 5, the only option with support. Its support: lesson 27, line 18: «Farmers who grow crops like cocoa and coffee often earn very little of the price paid in shops, because most of it goes to traders, factories, brands and shops.», reached through a sentence linked to the one the question matched. What matched: the same doer «most» (+2); the same place «traders» (+2); the same light verb (be, have, do, get, go) (+1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · wrong ✗

Why are containers so useful for trade?

1. They float on their own without a ship, so they can be towed in long lines across the sea — ← Mova's choice · no support
2. Each one is a different shape for each good — no support
3. They keep everything inside warm — no support
4. They are all one size, so cranes, ships, trains and lorries handle them fast — ✓ the right answer · 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 · ★★ · wrong ✗

In 1511 and 1515 the Portuguese seized Malacca and Hormuz. What were they after?

1. Lithium for batteries — ← Mova's choice · no support
2. Control of chokepoints on the trade routes — ✓ the right answer · no support
3. Fresh water for their farms — no support
4. Good land for planting wheat — 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 principal reason for which states engage in international trade.

1. Each state produces all goods efficiently but wishes to dispose of surplus — ← Mova's choice · no support
2. No state can produce all goods efficiently, so each exchanges what it produces best — ✓ the right answer · no support
3. International law compels each state to trade a fixed and equal quantity of goods each year — no support
4. Trade is conducted solely for the purpose of collecting customs duties — 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 ✗

Which of the following statements most accurately characterises a maritime chokepoint?

1. A region of the open ocean far removed from any land — ← Mova's choice · no support
2. A port in which merchant vessels are constructed and repaired — no support
3. A narrow passage of the sea through which a large proportion of trade must pass — ✓ the right answer · no support
4. A mine situated in a mountainous region near the coast — 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 3 · formal language · right ✓

Select the response consistent with the established facts concerning the trade in services.

1. States export services such as banking, insurance, software and tourism — ← Mova's choice · ✓ the right answer · score 0
2. The export of services is prohibited by international agreement — no support
3. Only tangible goods may be exported between states — no support
4. Services are consumed exclusively within the state that produces them, and never abroad — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 0, the only option with support. Its support: lesson 27, line 17: «Countries also trade services, such as banking, insurance, software, films and tourism, not only goods.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «services» (+2). Against it: a different action (counts against) (-1); a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

It is given that silver was extracted at Potosí between the sixteenth and eighteenth centuries. Ascertain which statement is correct.

1. It was worked under forced labour and much of the silver reached Europe and China — ← Mova's choice · ✓ the right answer · score 3
2. It was worked by salaried volunteers and the silver remained in Bolivia — no support
3. It was worked by Chinese miners and the silver was buried again — no support
4. It was worked by steam machinery and the silver was exported to Australia — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 3, the only option with support. Its support: lesson 24, line 5: «The game's starting map hides a disaster: just ten years after 1337 the Black Death reached Europe and killed perhaps a third to a half of its people. Real num…», reached through the same lesson line as the sentence the question matched. What matched: the same action «reach» (+2); the same receiver «europe» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/geography/27-resources-and-what-countries-trade/