单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now, listen to the passage.
What is Winifred trying to find out

A．What chemicals tears are composed of.
B．Whether crying really helps us feel better.
C．Why some people tend to cry more often than others.
D．How tears help people cope with emotional problems.
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单项选择题
Question 25 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question. Now, listen to the news.
A．The aviation fuel is less harmful to the environment.
B．The aviation fuel is cheaper and safer than other fuels.
C．The ticket prices are getting low and people’s incomes are rising.
D．The number of British traveling places is more than double in the next quarter of a century.
单项选择题
What is the new measure to increase American border security and immigration enforcement
A．Putting the illegal immigrants to jail if they were found.
B．Having more workplace raids to catch illegal immigrants.
C．Having higher civil fines for the immigrants.
D．Not offering so many job opportunities like before.
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