26. Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you willhear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
注意:此部分试题请在答题卡2上作答。
Passage One
Questions 26 to 29 are based on the passage you have just heard.
A) They look spotlessly clean throughout their lives.
B) They are looked after by animal-care organizations.
C) They sacrifice their lives for the benefit of humans.
D) They are labeled pet animals by the researchers.