(请在答案处填写大写字母，不要写单词）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 （26） 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（27）and, even today, visitors walking through the first floor of LeConte Hall will see a full corridor of exhibits (28) the many distinguished physicists who made history here, (29) all of them white males.But climb up to the third floor and you’ll see a (30) display.There, among the photos of current faculty members and students, are portraits of the (31) head of the department, Marjorie Shapiro, and four other women whose research (32) 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 (33) 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 (34). “I believe things are getting better,” she says, “but they’re not getting better as (35) as I would like.”