According to the passage, what happens to homing pigeons when they are about a month old?
Đáp án C
Thông tin trong bài “Homing pigeons are placed in a training program from about the time they are twenty-eight days of age”
→ Khi chim bồ câu dẫn đường được khoảng một tháng tuổi, chúng sẽ bắt đầu một quá trình huấn luyện.
Which of the following is NOT a result of the formation of ocean ice?
The word “bore” in line 3 is closest in meaning to which of the following?
In line 7, when the author states that the owners "anxiously watch the sky" there is the implication that the owners
Which of the following statements about the salinity of a body of water can best be inferred from the passage?
In the author's opinion, the importance of coal-generated electricity could increase in the future for which of the following reasons?
Which of the following can be inferred about the order in which Kentucky, Tennessee, and Vermont joined the Union?
According to the passage, how does the stick caterpillar make itself look like a twig?
In line 6, the word “further” is closest in meaning to which of the following?
Which of the following best describes the organization of the passage?