四级The problem is that such an impulse is hard to sustain Across the country, many similar families were unable to maintain the initial boost in morale(士气).

问题是，这种冲动在全国很难维持，许多类似的家庭无法维持最初的士气高涨(士气).

2012年6月阅读原文

四级After Hurricane Katrina hit in 2005, mail facilities were set up in dozens of locations across the country in the two weeks that USPS was unable to provide street delivery.

2005年卡特里娜飓风袭击后，在美国邮政无法提供街道递送的两周内，全国数十个地方都建立了邮件设施。

2019年12月四级真题（第二套）阅读 Section B

四级Should a woman who possessed a small amount of drugs years ago be permanently unable to be licensed as a nurse?These laws are also counterproductive, since they make it harder for people with criminal records to find housing or land a job, two key factors that reduce backsliding.

几年前持有少量毒品的女性是否应该永久无法获得护士执照？这些法律也起到了反作用，因为它们使有犯罪记录的人更难找到住房或工作，这是减少倒退的两个关键因素。

2015年12月阅读原文

四级Should a woman who possessed a small amount of drugs years ago be permanently unable to be licensed as a nurse?

多年前拥有少量药物的女性是否应该永久无法获得护士执照？

2015年12月四级真题（第一套）阅读 Section C

高考Anxious all the time, I was unable to keep focused for more than an hour at a time.

我一直焦虑不安，一次无法集中注意力超过一个小时。

2016年高考英语北京卷 阅读理解 阅读A 原文

六级If the employees were already aware of their deficiencies before the evaluation period, however, they may be unable or unwilling to correct them.

但是，如果员工在评估期之前已经意识到自己的缺陷，他们可能无法或不愿意纠正这些缺陷。

2013年12月阅读原文

六级They have to give so much thought and attention to the low-level mechanics of handling the ball, or fingering the keys or reading the music, that they are unable to give any thought to the thing that matters—the game, or the music, respectively.

他们必须对低水平的控球、指法或阅读音乐的技巧给予如此多的思考和关注，以致于他们无法分别考虑对比赛或音乐至关重要的事情。

2019年6月六级真题（第一套）听力 Section C

考研Unable to tell whether someone really objects to behavioural ads or whether they are sticking with Microsoft’s default, some may ignore a DNT signal and press on anyway.

无法判断是否有人真的反对行为广告，或者他们是否坚持微软的默认，一些人可能会忽略DNT信号，然后继续。

2013年考研阅读原文

考研Unable to tell whether someone really objects to behavioural ads or whether they are sticking with microsoft's default, some may ignore a DNT signal and press on anyway.

无法判断是否有人真的反对行为广告，或者他们是否坚持微软的默认，一些人可能会忽略DNT信号，然后继续。

2013年考研真题（英语一）阅读理解 Section Ⅱ

六级Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of, say, a carpet by area.

哈克认为，这样的课程是对成年人数字文盲的一种补救，他们已经完成了像代数这样的高级数学课程，但无法计算地毯的价格。

2018年12月六级真题（第二套）阅读 Section C

四级Their art crime team recovered the letter but were unable to press charges because the time of limitations had ended.

他们的艺术犯罪小组找回了这封信，但由于限制期已经结束，无法提出指控。

2018年6月四级真题（第二套）阅读 Section C

六级But surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep because your brain is thinking about work.

但肯定每个读到这篇文章的人都有过这样的经历：你躺在床上好几个小时，无法入睡，因为你的大脑在思考工作。

2018年12月六级真题（第一套）阅读 Section B

考研This is why repeated attempts at reform legislation have failed in recent years, leaving the Postal Service unable to pay its bills except by deferring vital modernization.

这就是为什么近年来立法改革屡屡失败的原因，使得邮政部门无法支付账单，除非推迟重要的现代化。

2018年考研阅读原文

四级Those who added dessert lost an average of 40 pounds more—however, the study was unable to show the longx1fterm effects.

那些加了甜点的人平均多减掉40磅，然而，这项研究无法显示长时间的影响。

2019年12月四级真题（第三套）阅读 Section B

高考Because of our efforts, our daughter Georgia did decide to donate a large bag of toys to a little girl whose mother was unable to pay for her holiday due to illness.

由于我们的努力，我们的女儿乔治亚决定捐赠一大袋玩具给一个小女孩，因为她的母亲因病无法支付假期费用。

2018年高考英语全国卷3 阅读理解 阅读D 原文

六级Most recruiters are unable to control their racial biases.

大多数招聘人员无法控制他们的种族偏见。

2015年12月阅读原文

六级But when two H-bots became imperiled, the robot choked 42 percent of the time, unable to decide which to save and letting them both.

但是，当两个机器人受到威胁时，机器人有42%的时间会窒息，无法决定拯救哪一个，并让他们两个都去。

2017年12月六级真题（第二套）阅读 Section C

四级Unable to buy grain or grow their own, hungry people take to the streets.

由于无法购买粮食或自己种植，饥饿的人们走上街头。

2016年6月阅读原文

高考According to the card, if you are unable to go, you can contact Alice's mother.

根据卡片，如果你不能去，你可以联系爱丽丝的母亲。

2015年高考英语四川卷 阅读理解 阅读A 题设

四级without upgrades and new capacity, bridges, roads and power systems are unable to cope with expanding populations.

如果没有升级和新增产能，桥梁、道路和电力系统将无法应对不断扩大的人口。

2017年12月四级真题（第三套）阅读 Section C

六级It renders us unable to concentrate.

它使我们无法集中注意力。

2012年12月阅读原文

四级Rather than superpower conflict, countries unable to cope with food shortages now constitute the main threat to world security.

如今，无法应对粮食短缺的国家不是超级大国冲突，而是世界安全的主要威胁。

2016年6月阅读原文

六级To date, the US has seemed unable to see the consequences of spending so much more than is taken in.

迄今为止，美国似乎看不到支出超过收入的后果。

2012年12月阅读原文

六级If the employees were already aware of their deficiencies before the evaluation period, however, they may be unable or unwilling to correct them

但是，如果员工在评估期之前已经意识到自己的缺陷，他们可能无法或不愿意纠正这些缺陷

2013年12月阅读原文

六级Often they wind up deeply in debt or simply unable to pay after a year or two and must drop out

通常，他们会负债累累，或者一两年后就无力偿还债务，必须退出

2011年6月阅读原文

六级Often they wind up deeply in debt or simply unable to pay after a year or two and must drop out.

通常，他们会负债累累，或者一两年后就无力偿还债务，必须退出。

2011年6月阅读原文

高考Unable to see far, he accidentally turned off the path.

由于看不远，他不小心把路岔开了。

2015年高考英语北京卷 阅读理解 阅读A 原文

六级To date, the U. S. has seemed unable to see the consequences of spending so much more than is taken in.

到目前为止，美国似乎看不到支出超过实际支出的后果。

2012年12月英语六级真题

四级Doctors confirm that he has regained his sight and hearing apparently from the flash of lightning, but they are unable to explain the reason.

医生证实，他显然是从闪电中恢复了视力和听力，但他们无法解释原因。

1989年1月英语四级真题

四级I was unable to determine from his answers to my questions how this grade 9 level had been established.

我无法从他对我问题的回答中确定这个9年级的水平是如何建立的。

1996年1月大学英语四级(CET-4)真题

四级Unable to resist the temptation, many children turn their attention from printed texts to the less challenging, more vivid moving pictures.

由于无法抗拒诱惑，许多孩子将注意力从印刷文本转移到不那么具有挑战性、更生动的运动图片上。

2003年9月大学英语四级(CET-4)真题

四级How would I, unable to speak the language, -49- unfamiliar with local geography or transportation systems, set up-50- and do research?

我不会说这种语言，49岁，不熟悉当地的地理或交通系统，我该怎么做研究？

2008年6月大学英语四级考试真题

四级Finally, the FBI received a tip that the stolen document was located very close to Washington, D. C. Their art crime team recovered the letter but were unable to press charges because the time of limitations had ended.

最后，联邦调查局收到了一条线索，被盗文件位于华盛顿特区附近。他们的艺术犯罪小组找到了这封信，但由于诉讼时效已经结束，无法提出指控。

2018年6月大学英语四级真题（第1套)

四级Those who added dessert lost an average of 40 pounds more—however, the study was unable to show the long-term effects.

那些添加甜点的人平均多瘦了40磅——然而，这项研究无法显示其长期效果。

2019年12月大学英语四级真题（第2套）

四级One widely accepted psychological definition of boredom is“the distasteful experience of wanting, but being unable, to engage in satisfying activity.

无聊的一个广泛接受的心理学定义是“想要但无法从事令人满意的活动的令人厌恶的经历。

2020年12月大学英语四级真题（第2套）

考研Typical examples are the driver who brakes violently to allow a car to emerge from a side street at some hazard to following traffic, when a few seconds later the road would be clear anyway; or the man who waves a child across a zebra crossing into the path of oncoming vehicles that may be unable to stop in time.

典型的例子是，当几秒钟后道路就会畅通时，司机突然刹车，让汽车从小街上驶出，对后面的交通造成一定的危险；或者一名男子挥手让孩子穿过斑马线，进入迎面而来的车辆的路径，而这些车辆可能无法及时停车。

1992年全国硕士研究生入学统一考试英语试题

考研The worker and employee are anxious, not only because they might find themselves out of a job; they are anxious also because they are unable to acquire any real satisfaction or interest in life.

工人和员工都很焦虑，不仅因为他们可能会失业；他们之所以焦虑，也是因为他们无法获得任何真正的满足感或对生活的兴趣。

1993年全国硕士研究生入学统一考试英语试题

考研If several oncogenes are driven into action, the cell, unable to turn them off, becomes cancerous.

如果几种致癌基因被驱动发挥作用，那么无法关闭它们的细胞就会癌变。

1994年全国硕士研究生入学统一考试英语试题