Why does the author refer to Gilbert White’s book in line 2?
Đáp án C
Mục đích của tác giả là đưa ra một số dẫn chứng chứng minh rằng, các loài chim có sự nhận thức về số lượng: the naturalist Gilbert White tells how he surreptitiously removed one egg a day from a plover‟s nest , and how the mother laid another egg each day to make up for the missing one. He noted that other species of birds ignore the absence of a single egg but abandon their nests if more than one egg has been removed
Which of the following can be inferred about the order in which Kentucky, Tennessee, and Vermont joined the Union?
According to the passage, an exuberant tone of voice may be an indication of a person's___________
Which sentence best expresses the main idea of the first paragraph?
According to the passage, extreme weather is a problem because ______.
Why does the author mention "artistic, political, or pedagogic communication" ?
According to the passage, what does a constricted and harsh voice indicate?
Which statement is NOT supported by the information in the passage?