29.What is the discussion mainly about？<br> （A） Different policies for protecting the tiger.<br> （B） Traditional Chinese medicine and its uses.<br> （C） Ways to prevent illegal poaching of tigers.<br> （D） The effects of allowing the trade of tigers in China.<br> 30 How does the professor introduce the proposal to lift the ban on Chinas domestic tiger trade？<br> （A） By briefly tracing the history of the issue.<br> （B） By showing the advantages and disadvantages of the ban.<br> （C） By explaining why tigers are an endangered species.<br> （D） By giving examples of the uses of tiger bones as medicine.<br> 31. Which of the following has helped protect the tiger from extinction？<br> （A） Chinas ban on the domestic trade of tigers.<br> （B） Chinas policy of only selling tigers that die naturally.<br> （C） The practice of traditional Chinese medicine.<br> （D） The increase in demand for alternative medicines.<br> 32. According to the professor, what is a major concern related to lifting the ban on the domestic tiger trade in China？<br> （A） "lqger populations will become unmanageably large,<br> （B） Illegal poachers will have to kill other endangered species.<br> （C） The demand for tiger parts will increase.<br> （D） The practice of traditional Chinese medicine will suffer. Listen again to part of the lecture. Then answer the question.33. What can be inferred about the student？<br> （A） He does not agree with the lifting of the ban.<br> （B） He is surprised that tiger populations are still low.<br> （C） He is hopeful about Chinas decision to resume the tiger trade.<br> （D） He is unconcerned about the issue of tiger poaching.<br> Listen again to part of the lecture. Then answer the question.
展开
