I think you need to pick a different book....
Answer:
Two structures used in the text are:
descriptions and sequences.
Explanation:
The reasons backing this answer are that in the first place descriptions are made to explain certain topics or provide information so that the reader can understand the perspective of the author. Also, the sequence is a progressive order that the author established to communicate his ideas so they can be understood by the author. In other words, the author is going to deliver information progressively according to the state of the development o the description it does.
Answer: It is the ninth inning and we are down by three runs.
The correct answer is (d.) It was advanced. Based on City, the advancement of the technology can be inferred about the technology of the ancient Romans. Their technology supported the Roman civilization and as well as the Roman military to be possible.