四级The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.

同年，联邦航空管理局要求这些盒子（实际上从来都不是黑色的）涂成橙色或黄色，以增加可见度。

高考They moved in after big success in the textile industry and aided a substantial textile industry in Hilversum.

在纺织业取得巨大成功后，他们搬了进来，并帮助了Hilversum的大量纺织业。

六级Some schools out for profit cynically increase tuitions and count on student loans and federal aid to foot the bill – knowing full well that the students won't make it.

一些以营利为目的的学校玩世不恭地增加学费，并指望学生贷款和联邦援助来买单——他们深知学生不会成功。

高考Professors are not trained nurses, financial aid experts or your best friends.

教授不是训练有素的护士、经济援助专家或你最好的朋友。

六级a basis for explaining human genetic diversityan aid to understanding different populationsan explanation for social and cultural differencesa term to describe individual human characteristicsmodern genetics research is likely to fuel racial conflictsrace is a poorly defined marker of human genetic diversityrace as a biological term can explain human genetic diversitygenetics research should consider social and cultural variablesit is absolutely necessary to put race aside in making diagnosisit is important to include social variables in genetics researchracial categories for genetic diversity could lead to wrong clinical predictionsdiscrimination against black people may cause negligence in clinical treatmentThey be more precise with the language they use.

解释人类遗传多样性的基础有助于理解不同的人群解释社会和文化差异描述人类个体特征的术语现代遗传学研究可能助长种族冲突种族是人类遗传多样性的一个定义不清的标记种族作为一个生物学术语可以解释人类遗传多样性遗传学研究应考虑到社会和文化的差异，在诊断中必须将种族放在一边，在遗传学中包含社会变量是很重要的。研究遗传类别的遗传多样性可能导致错误的临床预测。临床治疗中的疏忽他们使用的语言更加精确。

六级Providing aid to the disabled.

为残疾人提供帮助。

六级Simmering (难以平息的) resentment is seldom an aid to education.

煨(难以平息的) 怨恨很少有助于教育。

六级Some government policies aided recovery; some hindered it.

一些政府政策有助于复苏；有些人阻碍了它。

六级Still, Jones represents a small percentage of first-generation students who are able to gain entry into more elite universities, which are often known for robust financial aid packages and remarkably high graduation rates for first-generation students.

尽管如此，琼斯在能够进入更多精英大学的第一代学生中只占一小部分，这些大学通常以丰厚的经济资助和第一代学生的高毕业率而闻名。

六级Her family received international aid during the war when she was growing up.

在她成长的过程中，她的家人在战争期间接受了国际援助。

六级In 2008 the net cost of attending a four-year public university – after financial aid – equaled 28% of median (中间的) family income, while a four-year private university cost 76% of median family income

2008年，四年制公立大学的净成本——扣除经济资助——相当于平均成本的28%(中间的) 家庭收入，而四年制私立大学的学费占家庭收入中位数的76%

六级They did so though while doing little to stop the erosion of available aid.

尽管他们这样做了，但在阻止现有援助流失方面却做得很少。

六级The Department for Education's guidance says schools can charge only for board and lodging if the trip is part of the syllabus, and that students receiving government aid are exempt from these costs.

教育部的指导说，如果旅行是教学大纲的一部分，学校只能收取食宿费，而接受政府资助的学生可以免收这些费用。

六级government aid to non-research-oriented universities

政府对非研究型大学的资助

四级The findings shed light on normal age-related changes in mental function, which could aid in understanding the process of dementia, according to the researchers.

研究人员称，这些发现揭示了与年龄相关的精神功能的正常变化，这有助于理解痴呆症的发病过程。

高考Had the governments and scientists not worked together, aids-related deaths would not have fallen since their highest in 2005.

如果政府和科学家不合作，艾滋病相关死亡人数不会从2005年的最高水平下降。

高考Holker once again opens is gardens in aid of the disadvantaged.

霍尔克又一次开放了帮助弱势群体的is花园。

四级The findings shed light on normal age-related changes in mental function, which could aid in understanding the process of dementia ( ' , 痴呆), according to the researchers.

这些发现揭示了与年龄相关的精神功能的正常变化，这有助于理解痴呆症的发病过程，痴呆), 根据研究人员的说法。

高考In tonight's faster special, they come to the aid of a family in need of some delicious inspiration on a budget.

在今晚的快速特别节目中，他们帮助了一个家庭，这个家庭需要一些美味的灵感。

高考Governments of poor countries need more aid.

穷国政府需要更多的援助。