28. (A) Some giant industrial polluters have gone out of business. (B) More environmental organizations have appeared. (C) Many toxic sites in America have been cleaned up. (D) More branches of her company have been set up.

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.

28. (A) Some giant industrial polluters have gone out of business. (B) More environmental organizations have appeared. (C) Many toxic sites in America have been cleaned up. (D) More branches of her company have been set up.

其他試題

28.
(A) Some giant industrial polluters have gone out of business.
(B) More environmental organizations have appeared.
(C) Many toxic sites in America have been cleaned up.
(D) More branches of her company have been set up.