Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear 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.
Passage One 【題組】26.
Questions 26 to 29 are based on the passage you have just heard.
(A) She taught chemistry and microbiology courses in a college.
(B) She gave lectures on how to become a public speaker.
(C) She helped families move away from industrial polluters.
(D) She engaged in field research on environmental pollution.