题型：单选题 难度：★★★★★★ 
4.5万热度
what do the studies find about the recommendation letters for women applicants
a．they are hardly ever supported by concrete examples.
b．they contain nothing that distinguishes the applicants
c．they provide objective information without exaggerat
d．they are often filled with praise for exceptional applicants
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what do studies about men and women in scientific research show
a．women engaged in postdoctoral work are quickly catching up
b．fewer women are applying for postdoctoral positions due to gender bias
c．men are believed to be better able to excel in stem disciplines.
d．women who are keenly interested in stem fields are often exceptional
what does alex zhavoronkov think ofdescribing aging as a discase
a．it will prompt people to take aging more seriously.
b．it will greatly help reduce the side effects of aging
c．it will free pharmacists from the conventional beliefs about aging
d．it will motivate doctors and pharmacists to find ways to treat aging
how do many scientists view aging now
a．it might be prevented and treated
b．results from a vitamin deficiency
c．it can be as risky as heart disease
d．it is an irreversible biological proces
there are often accusations about politicians´ and the media´s lack of curiosity to find out the truth
political leaders´ lack of curiosity will result in bad consequences.