Questions 22 to 25 are based on the conversation you have just heard.

单项选择题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.

单项选择题A．Fifty underground stations were made waterproof.B．A flood wall was built.C．An alarm system was set up.D．Rescue teams were formed.

单项选择题A．Why people hold back their tears.B．Why people cry.C．How to restrain one’s tears.D．How tears are produced.

单项选择题A．A hardworking and ambitious young man.B．A young man good at managing his time.C．A college graduate with practical working experience.D．A young man with his own idea of what is important.

单项选择题A．It limited their supply of food.B．It made their eggshells too fragile.C．It destroyed many of their nests.D．It killed many baby bald eagles.

单项选择题A．One of the bridges between North and South London collapsed.B．The heart of London was flooded.C．An emergency exercise was conducted.D．A hundred people in the suburbs were drowned.

单项选择题A．She will do her best if the job is worth doing.B．She prefers a life of continued exploration.C．She will stick to the job if the pay is good.D．She doesn’t think much of job-hopping.

单项选择题A．The latest developments of an armed rebellion in Karnak.B．The fall of Karnak’s capital city into the hands of the rebel forces.C．The epidemic that has just broken out in the country of Karnak.D．The peace talks between the rebels and the government in Karnak.

单项选择题A．To interview a few job applicants.B．To fill a vacancy in the company.C．To advertise for a junior sales manager.D．To apply for a job in a major newspaper.

单项选择题A．She isn’t going to change her major.B．She plans to major in tax law.C．She studies in the same school as her brother.D．She isn’t going to work in her brother’s firm.