高考Changing levels of body chemicals called hormones not only make teenagers' bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.
一种叫做激素的身体化学物质水平的变化不仅使青少年的身体形成成人特征,而且使青少年在晚上11点之前难以入睡。
2017年高考英语浙江卷(6月) 阅读理解 阅读B 原文
高考They are affected by certain body chemicals.
它们受到某些人体化学物质的影响。
2017年高考英语浙江卷(6月) 阅读理解 阅读B 选项
高考In study after study, it appears that these chemical conversations help the neighbors.
在一项又一项研究中,这些化学对话似乎对邻居有所帮助。
2017年高考英语全国卷2 阅读理解 阅读D 原文
六级The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.
坦桑尼亚政府再次开始在湖中开采苏打灰,用于制造化学品、玻璃和洗涤剂。
2017年12月六级真题(第三套)阅读 Section C
六级The agency is now investigating the toxic effects of some of the chemicals in the latest report.
该机构目前正在调查最新报告中某些化学品的毒性作用。
2015年12月六级真题(第一套)阅读 Section A
高考What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, vocs for short.
植物从空气中吸入的是一种称为挥发性有机化合物(简称vocs)的化学混合物。
2017年高考英语全国卷2 阅读理解 阅读D 原文
高考These chemicals come from the injured parts of the plant and seem to be an alarm.
这些化学物质来自工厂的受伤部位,似乎是一个警报。
2017年高考英语全国卷2 阅读理解 阅读D 原文
考研95 knit miniskirt in all its 2,300-pius stores around the world, it must rely on low-wage overseas labor, order in volumes that strain natural resources, and use massive amounts of harmful chemicals.
95 knit miniskirt在其全球2300家PIU商店中,必须依靠低工资的海外劳动力,订购大量消耗自然资源的产品,并使用大量有害化学品。
2013年考研阅读原文
六级Salmon also carry dangerous chemicals as the fish migrate between rivers and the sea.
鲑鱼在河流和海洋之间迁徙时也携带危险的化学物质。
2016年12月听力原文
六级Because children's brain and behavioral disorders, like hyperactivity and lower grades, can also be linked to social and genetic factors, it's tough to pin them on exposure to specific chemicals with solid 33 statistical evidence, which is what the EPA re
由于儿童的大脑和行为障碍,如多动症和低年级,也可能与社会和遗传因素有关,因此很难用可靠的33项统计证据将其与接触特定化学物质联系起来,这正是美国环保署所做的
2015年12月六级真题(第一套)阅读 Section A
高考Although we may not be aware of chemicals like pheromones consciously, we give and receive loads of information through smell in every interaction with other people.
虽然我们可能没有意识到诸如信息素之类的化学物质,但我们在与他人的每一次互动中都会通过嗅觉传递和接收大量信息。
2015年高考英语上海卷 完形填空 原文
高考In contrast, humans do not seem to be as gifted as other animals at detecting such chemicals.
相比之下,人类在检测此类化学物质方面似乎没有其他动物那么有天赋。
2015年高考英语上海卷 完形填空 原文
高考Many animals give off pheromones — natural chemicals that can be detected by, and then can produce a response in, other animals of the same species.
许多动物会释放信息素,这是一种天然化学物质,可以被同一物种的其他动物检测到,然后产生反应。
2015年高考英语上海卷 完形填空 原文
高考Where we use sound and sight to communicate, ants depend primarily on pheromone, chemicals sent out by individuals and smelled or tasted by fellow members of their colony.
在我们使用声音和视觉进行交流的地方,蚂蚁主要依靠信息素,一种由个体发出的化学物质,以及蚁群成员闻到或尝到的气味。
2015年高考英语安徽卷 阅读理解 阅读D 原文
六级We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.
我们可以撕开西部平原的大片草皮,向土壤中注入有毒化学物质,直到土壤枯死,随风飘散。
2013年12月听力原文
考研For H&M to offer a $5.95 knit miniskirt in all its 2,300 -plus stores around the world, it must rely on low-wage overseas labor, order in volumes that strain natural resources, and use massive amounts of harmful chemicals.
H&M要想在全球2300多家门店推出一款售价5.95美元的针织迷你裙,就必须依靠低工资的海外劳动力,大量订购自然资源,并使用大量有害化学物质。
2013年考研真题(英语一)阅读理解 Section Ⅱ
六级In cases where sewage mud is used, expensive chemical fertilizer use can be avoided.
在使用污水泥浆的情况下,可以避免使用昂贵的化肥。
2016年6月阅读原文
高考Some plants pump out smelly chemicals to keep insects away.
有些植物排出有气味的化学物质来驱赶昆虫。
2017年高考英语全国卷2 阅读理解 阅读D 原文
六级We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind
我们可以撕开西部平原的大片草皮,向土壤中注入有毒化学物质,直到土壤枯死并被风吹走
2013年12月听力原文
六级While it may be impossible to prevent kids from drinking tap water that may contain trace amounts of chemicals, keeping kids away from lawns recently sprayed with chemicals and freshly dry-cleaned clothes can't hurt.
虽然不可能阻止孩子们饮用可能含有微量化学物质的自来水,但让孩子们远离最近喷洒了化学物质的草坪和刚干洗过的衣服不会有什么伤害。
2015年12月六级真题(第一套)阅读 Section A
六级Chemical testing showed that over the two years before her death, she moved about every two months.
化学测试显示,在她去世前的两年里,她每两个月就要搬家一次。
2015年12月六级真题(第二套)听力 Section C
四级The supervisor of the laboratory is beginning to get headaches and dizzy spells because she says it's dangerous to breathe some of the chemical smoke there
实验室的主管开始感到头痛和头晕,因为她说在那里呼吸一些化学烟雾是危险的
2011年6月听力原文
六级Way up north in the Canadian Arctic, seabirds are picking up dangerous chemicals in the ocean and delivering them to ponds near where the birds live.
在加拿大北冰洋的北部,海鸟正在海洋中收集危险的化学物质,并将其运送到鸟类生活的池塘附近。
2016年12月听力原文
六级People who live, hunt or fish near bird coloniesneed to be careful, the researchers say, The birds don’t mean to cause harm, but the chemicals they carry can cause major problems.
研究人员说,在鸟类聚居地附近生活、捕猎或捕鱼的人需要小心,鸟类无意造成伤害,但它们携带的化学物质可能会造成重大问题。
2016年12月听力原文
高考So condors with high levels of lead are sent to Los Angeles zoo, where they are treated with calcium edta, a chemical that removes lead from the blood over several days.
因此,含铅量高的秃鹰被送到洛杉矶动物园,在那里它们被用edta钙处理,edta钙是一种化学物质,可以在几天内去除血液中的铅。
2016年高考英语北京卷 阅读理解 阅读C 原文
高考Hormones are chemicals which are produced by the body to control various body functions.
荷尔蒙是身体产生的化学物质,用来控制身体的各种功能。
2016年高考英语四川卷 阅读理解 七选五 原文
六级The bodies of fish and other meat eaters can build up high levels of the chemicals.
鱼和其他肉食者的身体会积累高水平的化学物质。
2016年12月听力原文
高考Her popular 1962 book Silent Spring raised awareness of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.
她1962年出版的畅销书《寂静的春天》提高了人们对污染的危险以及化学物质对人类和世界湖泊和海洋的有害影响的认识。
2016年高考英语全国卷1 阅读理解 阅读A 原文
六级The developing brain, the report says, is particularly vulnerable to the toxic effects of certain chemicals these products may contain, and the damage they cause can be permanent.
报告说,发育中的大脑特别容易受到这些产品可能含有的某些化学物质的毒性影响,它们造成的损害可能是永久性的。
2015年12月六级真题(第一套)阅读 Section A
四级The supervisor of the laboratory is beginning to get headaches and dizzy spells because she says it's dangerous to breathe some of the chemical smoke there.
实验室的主管开始感到头痛和头晕,因为她说在那里呼吸一些化学烟雾是危险的。
2011年6月听力原文
六级It will drive producers of chemical fertilizers out of business.
这将迫使化肥生产商停业。
2016年6月阅读原文
六级Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
加热这种化合物会排出二氧化碳气体,留下氧化钙。
2018年12月六级真题(第二套)听力 Section C
四级Muscle performance can also be affected by a phenomenon called "central fatigue", in which an imbalance in the body's chemical messengers prevents the central nervous system from directing muscle movements effectively.
肌肉表现也会受到一种称为“中枢疲劳”的现象的影响,在这种现象中,身体化学信使的不平衡会阻止中枢神经系统有效地引导肌肉运动。
2017年6月四级真题(第三套)阅读 Section A
高考But she expects using the chemical in some kind of industrial process-not simply "millions of worms thrown on top of the plastic".
但她希望在某种工业过程中使用这种化学物质,而不仅仅是“数百万只虫子扔在塑料上”。
2018年高考英语北京卷 阅读理解 阅读C 原文
高考Other experts say part of the problem is chemical.
其他专家说,部分问题是化学物质造成的。
2017年高考英语浙江卷(6月) 阅读理解 阅读B 原文
四级A drug is a chemical substance.
药物是一种化学物质。
2015年12月听力原文
六级The chemical composition of rainfall changes slightly as rain clouds move.
随着雨云的移动,降雨的化学成分略有变化。
2015年12月六级真题(第二套)听力 Section C
六级The method relies on measuring how chemical variations in drinking water show up in people's hair.
该方法依赖于测量饮用水中的化学变化如何在人的头发中出现。
2015年12月六级真题(第二套)听力 Section C
六级Colleges, for their part, have since 1985 graduated fewer chemical, mechanical, industrial and metallurgical (冶金的) engineers, partly in response to the reduced role of manufacturing, a big employer of them.
就大学而言,自1985年以来,化学、机械、工业和冶金专业的毕业生数量有所减少(冶金的) 工程师,部分是为了应对制造业角色的减少,成为他们的大雇主。
2013年6月阅读原文
六级In Ludwigshafen, German chemicals giant BASF runs an interconnected complex of more than 200 chemical factories, where heat produced by one chemical process is used to power the next.
在路德维希港,德国化工巨头巴斯夫经营着一个由200多家化工厂组成的相互连接的综合体,其中一个化学过程产生的热量被用来为下一个提供动力。
2007年12月英语六级真题
六级” A 2004 report in the journal Pediatrics explained that nervous parents have more to fear from fire, car accidents and drowning than from toxic chemical exposure.
2004年发表在《儿科学》杂志上的一份报告解释说,与接触有毒化学物质相比,紧张的父母更害怕火灾、车祸和溺水。
2009年12月英语六级真题
六级She found many families were being exposed to high, sometimes deadly levels of chemicals and other toxic substances.
她发现,许多家庭都暴露在高水平、有时甚至致命的化学物质和其他有毒物质中。
2009年12月英语六级真题
六级And one chemical industry spokesperson calls her “a top gun” for the environmental movement.
一位化工行业发言人称她为环保运动的“头号人物”。
2009年12月英语六级真题
四级Can he escape a pollution that is now so thoroughly distributed throughout our world:
We know that even single exposures to these chemicals, if the amount is large enough, can cause extremely severe poisoning.
他能逃脱现在如此彻底地分布在我们世界各地的污染吗
1995年6月大学英语四级(CET-4)真题
四级Responsible public health officials have pointed out that the biological effects of chemicals are cumulative (累积) over long periods of time, and that the danger to individual may depend on the sum of the exposures received throughout his lifetime.
负责任的公共卫生官员指出,化学品的生物效应是累积的(累积) 长期暴露,并且对个人的危险可能取决于他一生中所接受的暴露的总和。
1995年6月大学英语四级(CET-4)真题
四级Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition—a finding that could help rid some processed foods of chemical preservatives.
一些研究人员认为他们已经找到了答案,这取决于食品的结构,而不是其化学成分——这一发现可能有助于去除一些加工食品中的化学防腐剂。
2000年1月大学英语四级(CET-4)真题
四级The level of formaldehyde (甲醛) gas in her kitchen was twice the maximum allowed by federal standards for chemical workers.
甲醛水平(甲醛) 她厨房里的煤气是联邦化学工作者标准允许的最高煤气量的两倍。
2001年1月大学英语四级(CET-4)真题
四级As the tree grows it adds a layer to its trunk taking up chemical elements from the air.
随着树的生长,它在树干上增加了一层吸收空气中化学元素的物质。
2002年6月大学英语四级(CET-4)真题
四级A friend of mine (a sales representative for a chemical company) was making twice the salary of her college instructors her first year on the job—even before she completed her two-year associate degree.
我的一个朋友(一家化工公司的销售代表)在工作的第一年,甚至在她完成两年的副学士学位之前,她的工资是大学讲师的两倍。
2003年1月大学英语四级(CET-4)真题
四级The method relies on measuring how chemical variations in drinking water show up in people’s hair.
该方法依赖于测量饮用水中的化学变化如何在人们的头发中表现出来。
2009年6月英语四级考试真题
四级The chemical composition of rainfall changes slightly as raid clouds move.
降雨的化学成分随着乌云的移动而略有变化。
2009年6月英语四级考试真题
四级A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本化学物质,如碳、氧和氮。
2009年12月大学英语四级考试真题
四级Scientists believe there might be such chemicals lying at the bottom of Europa’s ocean.
科学家们认为,木卫二海底可能存在这样的化学物质。
2009年12月大学英语四级考试真题
四级Conversely, chemical engineers straight out of school can easily make almost four times the wages of an entry-level high-school graduate.
相反,直接从学校毕业的化学工程师的工资几乎是入门级高中毕业生的四倍。
2013年12月大学英语四级考试真题(第3套)
考研They have also been experimenting with techniques of cultivating plants by using mixtures of chemical compounds and water only, and then there will be no need for ordinary soil.
他们还试验了只使用化合物和水的混合物种植植物的技术,这样就不需要普通的土壤了。
1980年全国硕士研究生入学统一考试英语试题
考研Although much was known previously about the chemical properties of aluminum and their application to practical uses, it was not until sixty years ago that a method of extracting aluminum ore was found which could lead to a cheap large-scale process.
尽管以前人们对铝的化学性质及其在实际应用中的应用知之甚少,但直到60年前,才发现了一种提取铝矿石的方法,这种方法可以实现廉价的大规模工艺。
1984年全国硕士研究生入学统一考试英语试题
考研Many people mistakenly believe the term drug refers only to some sort of medicine or an illegal chemical taken by drug addicts.
许多人错误地认为“毒品”一词只指吸毒者服用的某种药物或非法化学物质。
1997年全国攻读硕士学位研究生入学考试英语试题
考研But many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too costly and the railroads therefore have them by the throat.
但许多托运人抱怨说,对于长途运输的重型大宗商品,如煤炭、化学品和粮食,卡车运输成本太高,因此铁路公司对它们穷追不舍。
2003年全国攻读硕士学位研究生入学考试英语试题
考研Studies of both animals and humans have shown that sex hormones somehow affect the stress response, causing females under stress to produce more of the trigger chemicals than do males under the same conditions.
对动物和人类的研究表明,性激素在某种程度上会影响压力反应,导致处于压力下的雌性比处于相同条件下的雄性产生更多的触发化学物质。
2008年全国硕士研究生招生考试英语试题
考研In several of the studies, when stressed-out female rats had their ovaries (the female reproductive organs) removed, their chemical responses became equal to those of the males.
在几项研究中,当压力过大的雌性大鼠切除卵巢(雌性生殖器官)时,它们的化学反应与雄性大鼠相同。
2008年全国硕士研究生招生考试英语试题
考研Adding to a woman’s increased dose of stress chemicals, are her increased “opportunities” for stress.
女性压力化学物质的剂量增加了,压力的“机会”也增加了。
2008年全国硕士研究生招生考试英语试题
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