Question 23 is based on the following news. At the end of the news item, you will be given 5 sec onds to answer the question.
Now, listen to the news.

If without major rescue, how many people would die of A...

单项选择题If without major rescue, how many people would die of AIDS in the next 20 years

What is the possible relationship between the man and w...

单项选择题What is the possible relationship between the man and woman

Many people believe that our species ______ threatened ...

单项选择题