Read the passage carefully and choose the correct answer.
People usually sing because they like music or because they feel happy. They express their happiness by singing. When a bird sings however, its song usually means much more than that the bird is happy. Birds have many reasons for singing. They sing to give information. Their songs are their language.
The most beautiful songs are sung by male (cock) birds. They sing when they want to attract a female (hen) bird. It is their way of saying that they are looking for a wife.
Birds also sing to tell other birds to keep away. To a bird, his tree or even a branch of tree, is his home. He does not want strangers to come near him, so he sings to warn them.
If a bird cannot sing well, he usually has some other means of giving important information. Some birds dance, spread out their tails or make other signs. One bird has a most unusual way of finding a wife. It builds a small garden of shells and flowers.
What do most birds usually do if they cannot sing well?
A. warn other birds to go away.
B. give their information in another way.
C. find a wife.
D. fly high in the sky.
Hầu hết các con chim thường làm gì nếu chúng không thể hót hay?
A.cảnh báo những con chim khác đi xa.
B.cung cấp thông tin của họ theo cách khác.
C.tìm vợ.
D.bay cao trên bầu trời.
Thông tin: If a bird cannot sing well, he usually has some other means of giving important information. Some birds dance, spread out their tails or make other signs.
Tạm dịch: Nếu một con chim không thể hót hay, nó thường có một số phương tiện khác để cung cấp thông tin quan trọng. Một số loài chim nhảy múa, xòe đuôi hoặc làm những dấu hiệu khác.
Đáp án cần chọn là: B