寡言难瘾A. There is no definite number.
B. The death toll may rise.
C. There’s no report about the death toll.
D. There’re conflicting reports about the death toll.
Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news.
29. The research suggests that over fishing______.
A. has done damage to the environment
B. has resulted in declining mature fishes worldwide
C. has resulted in the extinction of some fishes
D. has shortened the life circle of fishes
30. Which of the following fish is not involved in the study?
