[2026] PTE Academic Reading - Fill in the Blanks (Dropdown)
Fill in the Blanks (Dropdown) #0036
Fill in the Blanks (Dropdown)
Fill in the Blanks (Dropdown)
Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
Dark matter is a mysterious substance that accounts for a large portion of the . Because it does not emit or reflect light, it remains completely to current telescopes. Scientists infer its existence by observing its gravitational pull on visible and galaxies. Without the extra mass provided by dark matter, rapidly spinning galaxies would likely fly . Unlocking the secrets of this substance is one of the most pressing in modern astrophysics.
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Highlights
ID:pt7358412189
Test No:#0036
Difficulty:Hard
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