Norman Cousins was a businessman from the United States who often traveled around the world on business. He enjoyed his        and traveling.
Then, after returning to the United States from a        trip to the Union of Soviet Socialist Republic (USSR), Mr. Cousins got sick. Because he had pushed his body to the        of its strength on the trip, a change began to take place         him. The material between his bones became       .
In less than one week after his return, he could not       . Every move that he        was painful. He was not able to sleep at night. The doctors told him that they did not know how to cure Mr. Cousins’ problem and he might never        over the illness. Mr. Cousins, however, refused to give up       . Mr. Cousins thought that        thoughts were causing bad chemical changes in his body. He did not want to take medicine to cure himself.       , he felt that happy thoughts or        might cure his illness.
He began to        on himself while still in the hospital by watching funny shows on television. Mr. Cousins quickly found that 10 minutes of real laughter during the        gave him two hours of pain-free sleep at night.        the doctors could not help him, Mr. Cousins left the hospital and checked into (登记住宿) a hotel room where he could        his experiments with laughter. For eight days, Mr. Cousins rested in the hotel room watching funny shows on television, reading funny books, and sleeping __    he felt tired. Within three weeks, he felt well        to take a vacation to Puerto Rico where he began running on the beach for       . After a few months, Mr. Cousins returned to work. He had laughed himself back to       .

A．time B．holiday C．sleep D．work

A．boring B．tiring C．dangerous D．pleasant

A．top B．degree C．problem D．limit

A．from B．around C．inside D．beside

A．weak B．ill C．false D．strong

A．speak B．breathe C．stand D．see

A．made B．did C．put D．ran

A．look B．get C．turn D．think

A．effort B．hope C．treatment D．arrangement

A．foolish B．unusual C．funny D．unhappy

A．Instead B．However C．Therefore D．Otherwise

A．sleep B．travel C．laughter D．television

A．beat B．operate C．try D．experiment

A．day B．week C．month D．year

A．Promising B．Telling C．Imagining D．Guessing

A．invent B．begin C．continue D．prove

A．until B．whenever C．unless D．so that

A．soon B．very C．slowly D．enough

A．exercise B．illness C．rest D．pleasure

A．power B．sense C．health D．happiness