You read the text then infer the main topic or message from the author
Answer:
The witches gather on the moor and cast a spell as Macbeth and Banquo arrive. The witches hail Macbeth first by his title Thane of Glamis, then as Thane of Cawdor and finally as king. They then prophesy that Banquo's children will become kings. Macbeth demands to know more but the witches vanish.
Gulliver puts on his glasses to protect his eyes.
D, Even though Wind wolf comes from a different culture, the teacher should treat him fairly with respect.
I believe the answer to your question is B) Over 5,000 years ago, ancient Egyptians used wind to sail ships on the Nile River.
this sentence from the passage would be irrelevant because it does not contain usable information on wind turbines as well as the fact that it is a time in history therefore it is irrelevant because you need information that is relatively up-to-date.