Well, you need to give us the choices before we can give an exact answer but normally you can evaluate the tone by thinking about the context and meaning.
some examples of strong disapproval might be: "She's such a horrible person" or "I really hate this lamp it's ugly" The bolded words show the strong disapproval.
But most likely you should be able to find it by evaluating tone.
Julius Caesar - A great Roman general and senator, recently returned to Rome in triumph after a successful military campaign. While his good friend Brutus worries that Caesar may aspire to dictatorship over the Roman republic, Caesar seems to show no such inclination, declining the crown several times. Yet while Caesar may not be unduly power-hungry, he does possess his share of flaws. He is unable to separate his public life from his private life, and, seduced by the populace’s increasing idealization and idolization of his image, he ignores ill omens and threats against his life, believing himself as eternal as the North Star.
The solute would start to precipitate. The molecules of the mix would start to break away and settle on the bottom as there is not enough energy to continue dynamic equilibrium.
an evaluation of one's performance in an academic subject
