1. The answer is: It creates emphasis.
Emphasis refers to something of value or importance that the author want to highlight and conveys to the audience. The author use the word exquisite to clearly emphasis the emotion that the author felt at that (which some what happy and satisfied)
2.The answer is: He feels uneasy about zaroff
During the interaction, ransford felt that something off about him. Zaroff talk to him as if he is not somewhat in his equal standing. On top of that, Zaroff's appearance also threw him off. His lips and pointed teeth are all red as if he just consumed animals when they alive.
3. The answer is: His misgivings about Zaroff prove true when Zaroff proposes his next hunting challenge.
Zaroff mentioned that animals no longer challenged him sine they are to intellectually superior, which is why he moved to ship-trap and hunted sailors instead. He later on challenge rainsford to survive when being hunted by him for three days. If he survived, he can Zaroff promise to let him of the island.
4. The answer is: in the net
Prepositional phrase is made to provide indication regarding the relationships between several different elements in the sentence. Most commonly, it is used as adverbials for places or to define time. "In the net" is a proper example for this.
5. The answer is: The phrase "tattered and fragile" modifies the word book.
Adding adjective phrase to a word would change the reader's image, visual, or perception toward that word, which is why we call it as modifier. When reading the word "book",readers mostly would visualize a normal book. After adding "tattered and fragile" ,readers would modify their visualization and adding these condition to the book.
6. The answer is: We hiked to the top of the mountain slowly but steadily.
Adverb phrase refers to the combination of several words or more than can modify a certain verb in the sentence. The phrase "slowly but steadily" in the sentence added to modify how the subjects walk to the top of the mountain.
7. The answer is: Prepositional phrases
The example on the text is a form of prepositional phrases that used to modify the action that initiated by the subjects in the sentence. It help the readers understand the correlation between the subject's current activity and the cause.