50个句子记完的7000单词——四级必备(编辑修改稿)

50个句子记完的7000单词——四级必备(编辑修改稿)内容摘要：

n called scapegoating.。 22. The chief foods eaten in any country depend largely on what grows best in its climate and soil. ，大体取决于什么作物在其天气和土壤条件下生长得最好。 23. Over a very large number of trials, the probability of an event’s occurring is equal to the probability that it will not occur. ，某一事件发生的几率等于它不发生的几率。 24. Most substance contract when they freeze so that the density of a substance’s solid is higher than the density of its liquid. ，所以他们的密度在固态时高于液态。 25. The mechanism by which brain cells store memories is not clearly understood.。 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. ，美国画家和雕塑家开始在世界范围内对艺术产生重大影响。 27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center. ，一个重要的航运和制造业中心，坐落于新泽西州的东部。 28. Elizabeth Blackwell, the first woman medical doctor in the United States, founded the New York Infirmary, an institution that has always had a pletely female medical staff. 28. Elizabeth Blackwell，美国第一个女医生，创建了员工一直为女性纽约诊所。 29. Alexander Graham Bell once told his family that he would rather be remembered as a teacher of the deaf than as the inventor of the telephone. 29. Alexander Graham Bell曾告诉家人，他更愿意让后人记住他是聋子的老师，而非电话的发明者。 30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance. ，因此人们把迷迭香树与怀念联系在一起。 31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. ，但它也有一定的弹性，使得骨骼能够承受相当的打击。