AI explanationShows the answer. Tap to open.
Question Focus: Asks which text weighs up different ideas or theories about space.
Why this is correct: Text C looks at several old theories about space and says which were wrong and which were right. Judging different ideas like this is what the question means by 'evaluates theories'.
Question Focus: Asks which text says what certain named spacecraft were used for.
Why this is correct: Text B names real spacecraft and says what each did - Sputnik the first satellite, the Apollo module that landed on the Moon, and Vostok that carried Gagarin. That is the purpose of particular vehicles.
Question Focus: Asks which text explains why someone changed their mind about space travel.
Why this is correct: Text A shows a clear change of mind. The writer used to be annoyed by space spending, then gives reasons for now supporting it. That is a change of attitude with reasons.
Question Focus: Asks which text says a person's work is not given enough credit.
Why this is correct: Text C says Aryabhata got the right answer - the Sun at the centre - yet is much less regarded than the Greeks. That is one person's work being under-appreciated.
Question Focus: Asks which text invites you to come to an event.
Why this is correct: Text B clearly invites you to visit. It gives the dates, offers guided tours, and even a ticket discount. That is encouraging you to attend an event.
Question Focus: Asks which text defends space travel by pointing to the way the human mind works.
Why this is correct: Text D says humans have a built-in curiosity and need to explore. It uses this feature of the human mind to justify space travel. That matches 'human psychology'.
Question Focus: Asks which text lists new inventions that came out of space missions.
Why this is correct: Text A names real innovations from space work - advanced materials, water-cleaning systems and climate satellites. These are inventions that came from space travel, just as the question asks.
General Tips:
- Skim each text first to label its job: opinion, advert, history or argument.
- An advert usually mentions dates, tickets or discounts - easy to spot.
- The same name or word can appear in two texts; check which one answers the exact question.
- For 'why' questions, look for a text that gives reasons, not just facts.
The rest of this explanation is for members. Sign in free to read why the other options are wrong, key words and tips.
Sign in to read the full explanation