[填空题]
Marie Curie (1867--1934)
Karl Wilhelm Rontgen (1845--1923) astounded people with the first x-rays in 1895; this was followed three years
(1) by the discovery of radium by Pierre and Marie Curie. But who were they In 1894, Marie and Pierre Curie met
(2) studying in Paris. Their marriage on 25th July 1895 marked the
(3) of a partnership which was to receive worldwide recognition.
The Curies discovered radium, a radioactive substance, in uranium oxide ore. They
(4) techniques for extracting it, but first did not fully
(5) its properties. Pierre Curie used to
(6) radium around in his waistcoat pocket and could not understand
(7) he was developing a massive sore in his chest. This would have been fatal, but Pierre’s life was cut short in 1906 when he was knocked
(8) and killed by a horse and cart in the street. From then on, Marie devoted herself
(9) completi