Explanation:

- Absorb means to take in or soak up. It could refer to a liquid, gas, energy, information, etc.

- Option 1: Eject – To eject is to expel or throw out something forcefully. It directly contrasts with absorb, as it involves expelling rather than taking in.

- Correct Answer:

- Option 2: Oppose – This means to resist or go against something. It's more about confrontation or disagreement rather than the action of absorbing or expelling.

- Option 3: Solve – To solve is to find an answer or solution. It does not directly relate to the concept of absorbing or expelling substances or energies.

- Option 4: Drink – Drinking involves taking liquid into the body, similar to absorbing, rather than opposing it.