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Time Travel IELTS Reading Answers
The Academic passage ‘Time Travel’ is a reading passage that appeared in an IELTS Test. Read the passage below and answer questions 28 – 40. Beyond the questions, you will find the answers along with the location of the answers in the passage and the keywords that help you find out the answers.
Time Travel
Answers
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| Question number | Answer | Keywords | Location of keywords |
|---|---|---|---|
| 28 | FALSE | physicists discovered that sub-atomic particles known as neutrinos – progeny of the sun’s radioactive debris | Paragraph A;
Line 1 |
| 29 | TRUE | The unassuming particle – it is electrically neutral, small but with a “non-zero mass” and able to penetrate the human form undetected | Paragraph A;
Line 2 |
| 30 | NOT GIVEN | – | – |
| 31 | TRUE | The duration of the experiment also accounted for and ruled out any possible lunar effects or tidal bulges in the earth’s crust. | Paragraph C;
Last line |
| 32 | TRUE | According to Harvard University science historian Peter Galison, Einstein’s relativity theory has been “pushed harder than any theory in the history of the physical sciences”. Yet each prior challenge has come to no avail, and relativity has so far refused to buckle. | Paragraph D;
Line 2 |
| 33 | FALSE | How anyone harnesses that to some kind of helpful end is far beyond the scope of any modern technologies, however, and will be left to future generations to explore. | Paragraph E;
Last line |
| 34 | Past actions | In other words, there is a paradox in circumventing an already known future; time travel is able to facilitate past actions that mean time travel itself cannot occur.
|
Paragraph F;
Last line |
| 35 | inconsistencies | Novikov argued that any event causing a paradox would have zero probability. It would be possible, however, to “affect” rather than “change” historical outcomes if travellers avoided all inconsistencies | Paragraph G;
Lines 3 -4 |
| 36 | Hugh Everett | Popularised by Bryce Seligman DeWitt in the 1960s (from the seminal formulation of Hugh Everett), the many-worlds interpretation holds that an alternative pathway for every conceivable occurrence actually exists | Paragraph H;
Line 2 |
| 37 | Alternative pathway | the many-worlds interpretation holds that an alternative pathway for every conceivable occurrence actually exists | Paragraph H;
Line 2 |
| 38 | Non-existence theory | A final hypothesis, one of unidentified provenance, reroutes itself quite efficiently around the grandfather paradox. Non-existence theory suggests exactly that – a person would quite simply never exist if they altered their ancestry in ways that obstructed their own birth | Paragraph I;
Lines 1 – 2 |
| 39 | Historical identity | They would still exist in person upon returning to the present, but any chain reactions associated with their actions would not be registered. Their “historical identity” would be gone. | Paragraph I;
Lines 3 – 4 |
| 40 | C | Stephen Hawking believes that once spaceships can exceed the speed of light, humans could feasibly travel millions of years into the future in order to repopulate earth in the event of a forthcoming apocalypse. | Paragraph J;
Line 2 |
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