To get a sense of how women have progressed in science , take a quick tour of the physics department at the University of California , Berkeley. This is a storied place , the 1) ____ of some of the most important discoveries in modern science — starting with Ernest Lawrence ’ s invention of the cyclotron ( 回旋加速器 ) in 1931. A generation ago , female faces were 2) _____ and, even today, visitors walking through the first floor of LeConte Hall will s ee a full corridor of exhibits 3 ) _____ the many distinguished physicists who made history here, 4) _____ all of them white males. But climb up to the third floor and you ’ ll see a 5) _____ display. There, among the photos of current faculty members and students , are portraits of the 6) _____ head of the department, Marjorie Shapiro , and four other women whose research 7) ______ everything from the mechanics of the universe to the smallest particles of matter. A sixth woman was hired just two weeks ago. Although they ’ re still only about 10 percent of the physics faculty, women are clearly a presence here. And the real 8) _____ may be in the smaller photos to the right : graduate and undergraduate students , about 20 percent of them female. Every year Berkeley sends its fresh female physics PhDs to the country ’ s top universities. That makes Shapiro optimistic , but also 9) _____. “ I believe things are getting better, ” she says, “ but they ’ re not getting better as 10) _____ as I would like. ” A . circumstance B . confidence C . covers D . current E . deals F . different G . exposing H . fast I . honoring J . hope K . presently L . rare M . realistic N . site O . virtually