In 1977, a dead author of detective stories saved the life of a 19-month-old baby in a most unusual way. The author was Agatha Christie, one of the most successful writers of detective stories in the world.
In June 1977, a baby girl became seriously ill in Qatar, near Saudi Arabia. Doctors were unable to __36__ the cause of her illness, so she __37__ to London and admitted to Hammersmith Hospital, where specialist help was __38_. She was then only half-conscious（半昏迷） and on the “Dangerously Ill” list. A team of doctors hurried to __39__ the baby only to discover that they, __40__, were puzzled by the very unusual symptoms. While they were discussing the baby’s case, a nurse asked to __41__ to them.
“Excuse me,” said nurse Marsha Maitland, “__42__ I think the baby is __43_ from thallium poisoning.”
“__44__ makes you think that?” Dr. Brown asked. “Thallium poisoning is extremely __45__.”
“A few days ago, I was reading a novel called A Pale Horse __46__ Agatha Christie,” Nurse Maitland explained. “In the book, somebody uses thallium poison, and __47__ the symptoms are __48__. They are exactly the same as the baby’s.”
“You’re very observant and you may be right,” another doctor said. “We’ll __49__ some tests and find out __50__ it’s thallium or not.”
The __51__ showed that the baby had __52__ been poisoned by thallium, a rare metal used in making optical（光学的） glass. __53__ they knew the cause of illness, the doctors were able to give the correct treatment. The baby soon __54__ and was sent back to Qatar. Inquiries（调查） showed that the poison __55__ from an insecticide（杀虫剂）used in Qatar.

A．describe B．diagnose C．discover D．discuss

A．flew B．sent C．went D．was flown

A．inexpensive B．important C．available D．impossible

A．examine B．see C．look after D．cure

A．too B．either C．often D．never

A．refer B．turn C．speak D．belong

A．and B．so C．as D．but

A．coming B．suffering C．tired D．dying

A．Who B．How C．What D．Which

A．rare B．serious C．clear D．dangerous

A．in B．on C．by D．about

A．all B．some of C．one of D．both

A．drawn B．broadcast C．announced D．described

A．make up B．carry out C．get through D．deal with

A．that B．how C．what D．whether

A．words B．tests C．examination D．book

A．indeed B．actually C．probably D．never

A．As long as B．As for as C．Once D．If

A．died B．got injured C．recovered D．got ill

A．must come B．should come C．might have come D．can’t have come