四级My research focus is on what happens to our immune system as we age.

我的研究重点是随着年龄的增长，我们的免疫系统会发生什么变化。

2019年6月四级真题（第一套）听力 Section C

四级This is evidence that our immune system really doesn't function so well when we age.

这是证据，证明我们的免疫系统在我们年老时确实不能很好地发挥作用。

2019年6月四级真题（第一套）听力 Section C

考研When there is rapid improvement in the price and performance of technology, jobs that were once thought to be immune from automation suddenly become threatened.

当技术的价格和性能迅速提高时，曾经被认为不受自动化影响的工作突然受到威胁。

2014年考研真题（英语二）阅读理解 Section Ⅱ

考研It is like the immune system of the body, which under stress or through lack of nutrition or exercise can be weakened, but which never leaves us.

它就像身体的免疫系统，在压力下，或由于缺乏营养或运动，免疫系统会被削弱，但它永远不会离开我们。

2016年考研翻译原文

四级For example, social contact can boost development of the brain and immune system, leading to better health and less chance of depression later in life

例如，社会交往可以促进大脑和免疫系统的发展，从而改善健康状况，减少日后患抑郁症的机会

2010年12月阅读原文

四级For example, 10 bacteria or less of an especially deadly strain of bacteria can cause severe illness and death in people with compromised immune systems.

例如，一种特别致命的细菌株中10种或更少的细菌可导致免疫系统受损的人患上严重疾病和死亡。

2018年12月四级真题（第三套）阅读 Section B

四级For example, social contact can boost development of the brain and immune system, leading to better health and less chance of depression later in life.

例如，社会交往可以促进大脑和免疫系统的发育，从而改善健康状况，减少日后患抑郁症的机会。

2010年12月阅读原文

四级"When people are sleep-deprived, there are higher levels of stress hormones in their bodies which can decrease immune function," says Doctor Felice, of Northwestern University in Chicago.

芝加哥西北大学的Felice博士说：“当人们睡眠不足时，体内的应激激素水平较高，这会降低免疫功能。”。

2016年6月四级真题（第一套）听力 Section C

六级Many doctors and researchers believe that loneliness harms the immune system, making us more vulnerable to a range of miner and major illnesses.

许多医生和研究人员认为，孤独会损害免疫系统，使我们更容易受到一系列矿工和重大疾病的伤害。

2010年6月听力原文

四级So the job of the immune system is to fight infections.

所以免疫系统的工作就是对抗感染。

2019年6月四级真题（第一套）听力 Section C

六级And stress reactions can reduce the disease fighting effectiveness of the body’s immune system, thereby increasing susceptibility to illnesses ranging from colds to cancer.

压力反应会降低人体免疫系统对抗疾病的效力，从而增加患感冒和癌症等疾病的易感性。

2008年12月英语六级真题

四级In a 2001 study of 158 hospital nurses, those who faced considerable work demands but coped with the challenge were more likely to say they were in good health than those who felt they stress that you can manage also boost immune (免疫的) function.

在2001年对158名医院护士进行的一项研究中，那些面临巨大工作需求但能应对挑战的护士比那些觉得自己压力很大也能增强免疫力的护士更有可能说自己身体很好(免疫的) 作用

2005年12月大学英语四级(CET-4)真题

考研Rodriguez notes that children in remote villages around the world are fans of superstars like Arnold Schwarzenegger and Garth Brooks, yet “some Americans fear that immigrants living within the United States remain somehow immune to the nation’s assimilative power.

罗德里格斯指出，世界各地偏远村庄的儿童都是阿诺德·施瓦辛格和加思·布鲁克斯等巨星的粉丝，但“一些美国人担心，生活在美国的移民在某种程度上仍然不受国家同化力量的影响。

2006年全国硕士研究生招生考试英语试题