An example of passive voice taken from text 9A3BBB is

The text focuses on showing how the advances made in the 20th century were essential to the development of the notion of agricultural systems.

Lawyers who defend animal rights claim that animals and inanimate objects are different.

Os conteúdos, em sala de aula, devem estar inseridos em diferentes contextos culturais, mas sempre relacionados aos países cuja língua oficial é o ing...

In text 9A3BBB, the word “should” (R.5), is used to express

The meaning of the expression “are used to” (l. 1) is equivalent to are accustomed to.

In the text, the word “offshoot” (R.34) means origin.

In the sentence “A traditional company in Oaklahoma, USA, has been making pies and biscuits since the 1920s.” (R.1-2), “has been making” expresses

It took ages before women could occupy a powerful position.

The author sees information as having a fundamental function in the political life within a society.

Another blood draw would be mandatory if the participant came down with the flu.