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e United States, founded the New York Infirmary, an institution that has always had a pletely female medical staff. 28. Elizabeth Blackwell,美國(guó)第一個(gè)女醫(yī)生,創(chuàng)建了員工一直為女性紐約診所。 26. By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art. ,美國(guó)畫家和雕塑家開始在世界范圍內(nèi)對(duì)藝術(shù)產(chǎn)生重大影響。 24. Most substance contract when they freeze so that the density of a substance’s solid is higher than the density of its liquid. ,所以他們的密度在固態(tài)時(shí)高于液態(tài)。 22. The chief foods eaten in any country depend largely on what grows best in its climate and soil. ,大體取決于什么作物在其天氣和土壤條件下生長(zhǎng)得最好。 20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois. 們。 18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and deposes animal debris. ,而腐化過(guò)程將化學(xué)物質(zhì)回饋于土壤,提高其肥力,并分解動(dòng)物糞便。 16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them. ,以便校準(zhǔn)機(jī)械計(jì)時(shí)器。 14. Long before children are able to speak or understand a language, they municate through facial expressions and by making noises. ,很久就會(huì)通過(guò)面部表情和靠發(fā)出噪聲來(lái)與 人交流了。 12. Billie Holiday’s reputation as a great jazzblues singer rests on her ability to give emotional depth to her songs. 12. Billie Holiday’s作為一個(gè)爵士布魯斯樂(lè)杰出歌手的名聲建立在能夠賦予歌曲感情深度的能力。 10. The knee is the joints where the thigh bone meets the large bone of the lower leg. 。 8. With modern offices being more mechanized, designers are attempting to personalize t