Which type of writing would work best with a compare-and-contrast text structure? an opinion piece explaining why one method of toothbrushing is better than another.

an instruction manual that explains how to build a tree house using recycled materials.

a newspaper article explaining how a city’s road problems during storms can be fixed.

a research report explaining the factors that led to an increase in the cost of groceries

An opinion piece explaining why one method of toothbrushing is better than another.

Explanation:

A compare-and-contrast text structure is used to highlight the similarities and differences between two or more subjects such that they are compared with each other to see which is the better option.

An opinion piece that explains why one method of brushing the teeth is better than another would benefit from this type of structure as it would show the similarities and differences between the two methods with a view to show which one is better based on the aforementioned similarities and differences.

the jewellery thief was as cunning as a fox.

explanation:

"as cunning as a fox" is the simile, because it compares two things using the words "like" or "as" to do it.