新编四级听力练习 第297期

Section C Compound Dictation
Rod was already an established lab head when he decided he needed to learn more about crystallography (结晶学). In 1995 he went back to school at the CSHL on Long Island, New York. Together with 22 fellow scientists, (36) ______ from Ph.D. students to (37) ______ investigators like himself, he (38) ______ in a two-week course. The training (39) ______ off: three years later, Rod became the first scientist to use crystallography to (40) ______ the structure of an ion (离子) (41) ______ . In 2003 he won the Nobel Prize in Chemistry for this work.
Rod's experience may not be typical for the scientists (42) ______ in the postgraduate training courses that are (43) ______ by a handful of institutes around the world. (44) _____________________________________________________________ . Courses range from two to six weeks in length and focus on the latest tools and technologies in a specific field. (45) _______________________________________________________________________ in well-equipped labs between lectures and even conduct their own mini-projects.
"You could really work as much as you liked," says Keech, a 26-year-old protein researcher at the Plant Science Centre in Sweden, who last year attended the two-week course at the CSHL.
"(46) _________________________________________________________________________________ ," adds Keech. He says that he has benefited from the course, and now uses the methods he learnt there in his day-to-day work.