2.20英语作业参考答案
二．翻译练习
1. 我写信是为了有请你看一个有关中国茶文化的纪录片，它将于这周日上午九点到十一点在城市图书馆上映。
I’m writing to invite you to watch a documentary about Chinese tea culture, which will be shown in the City Library from 9 a.m. to 11 a.m. this Sunday.
2. 我写信是为了邀请你来观看一个时装秀，它将于下周三下午3点到5点在学校大厅举行。
I am writing to invite you to watch a fashion show ，which will be held in our school hall from3p.m. to 5p.m. next Wednesday.
3. 我们将于这周五上午7点在学校门口集合。
We are going to meet at the school gate at 7a.m. this Friday.
4. 据说这个纪录片是用中文播放的，配有英文字幕。
It’s said that this documentary is in Chinese, with English subtitles.
5. 这个节目是用双语直播，因此这对于你学习汉语会有益处。
The program is broadcast both in Chinese and English，so it's good for you to pick up some Chinese．
6. 茶在中国作为饮品的历史将会在这个纪录片中被探讨。
The history of tea as a drink in China will be talked about in the documentary
7. 你可以了解到更多关于中国的历史。
You can learn more about the history of China.
8. 听到了尖叫声，Henry 跑到河边，脱下衣服，毫不犹豫地跳下水。
Hearing the screams, Henry ran to the riverside, threw off his clothes and jumped into the water without hesitation.
9. 他们因为他们的无礼的行为向Henry 道歉，并且请求她的原谅。
They said sorry to Henry for their rude behavior and asked for his forgiveness.
10. 从这件事，Robert 了解到了什么是真正的勇气。From this, Robert learned what true courage was.
数学专业英语课后答案
2.1 数学、方程与比例 （1）数学来源于人类的社会实践，包括工农业的劳动，商业、军事和科学技术研究等活动。 Mathematics comes from man’s social practice, for example, industrial and agricultural production, commercial activities, military operations and scientific and technological researches. （2）如果没有运用数学，任何一个科学技术分支都不可能正常地发展。 No modern scientific and technological branches could be regularly developed without the application of mathematics. （3）符号在数学中起着非常重要的作用，它常用于表示概念和命题。Notations are a special and powerful tool of mathematics and are used to express conceptions and propositions very often. （4）17 世纪之前，人们局限于初等数学，即几何、三角和代数，那时只考虑常数。 Before 17th century, man confined himself to the elementary mathematics, i. e. , geometry, trigonometry and algebra, in which only the constants were considered. （5）方程与算数的等式不同在于它含有可以参加运算的未知量。 Equation is different from arithmetic identity in that it contains unknown quantity which can join operations. （6）方程又称为条件等式，因为其中的未知量通常只允许取某些特定的值。Equipment is called an equation of condition in that it is true only for certain values of unknown quantities in it. （7）方程很有用，可以用它来解决许多实际应用问题。 Equations are of very great use. We can use equations in many mathematical problems. （8）解方程时要进行一系列移项和同解变形，最后求出它的根，即未知量的值。To solve the equation means to move and change the terms about without making the equation untrue, until the root of the equation is obtained, which is the value of unknown term. 2.2 几何与三角 （1）许多专家都认为数学是学习其他科学技术的必备基础和先决条件。 Many experts recognize that mathematics is the necessary foundation and prerequisite of studying other science technology. （2）西方国家的专家认为几何起源于巴比伦和埃及人的土地测量技术，其实中国古代的数学家对几何做了许多出色的研究。 The western experts think that geometry had its origin in the measurements by the Babylonians and Egyptians of their lands. Infect, the ancient Chinese mathematicians made much remarkable study for geometry. （3）几何的学习使学生在思考问题时更周密和审慎，他们将不会盲目接受任何结论。 In studying geometry, the student is taught to think clearly and critically and he is led away from the practice of blind acceptance of any conclusions. （4）数学培养学生的分析问题的能力，使他们能应用毅力、创造性和逻辑推理来解决问题。
英语作业及答案
下面的范文中有很多错误，请找出形容词与副词的混淆、冠词的遗漏和误用、介词和代词的误用等错误，并检查句子的完整性、单词拼写、主谓的一致性、动词和现在分词是否混淆、复数形式、动词的时态、词汇选择、词性、单词的顺序等问题。 (几乎每个句子都有错误) An university education is a goal of many high school students. Some students want to go into a profession that requires an university degree. But there are other professions that do not require a degree, but require certification from a technological college. The reasons why students make decisions to go to technical college instead of university probably have a lot to do with their choice of career, their own academic abilities and their financial situation. First of all, students make their choices for post-secondary education based on the fields that interest them. A student who is interested in medicine might decide to university, into a pre-med program to prepare to become a doctor, or they might go to nursing school or a nursing program in a technical college. Some career choices offer a choice of educational route. The university route is usually more intense and takes longer. For example, an interior designer might take a one or two year program at a college, or choose to do the degree program as a part of the architectural department at a university. Other career choices involve certification that is available at a college, like broadcast journal or
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b-毗喘pyridine 巴比妥酸:barbituric acid 比电导conductance 不规则的:irregular 崩解剂disintegrant C--萃取extraction 成团:ogglomerotion 测量仪measurement 肠液:intestinol fluid d-胆固醇cholestero 对映体:enontiomer 电极electrode 代谢:metobolism f-反相渗透reverse osmosis 分布:disposition g-构象：conformotion 固化:solidize 卜-甲苯toluene 静脉注:introvenous injection 挤压:compress 聚集:aggregate 胶囊capsule I一粒子:particle 立体选择性:stereoselectivity 利用率:availability 灭菌产品sterile products n—粘合剂odhesive P—偏振光:polarized light 片剂tablet 酉己剂elixir 排泄:excretion q一起女台原料starting materials(raw materials) q 醛aldehyde 「一溶解度:solubility 乳剂emulsion 润滑剂lubricant s-释放:release 渗液solution 生物膜:biologic membrane 生物碱okoloid, t…糖浆syrup 甜味剂sweetener w-丸剂pill 微生物microorganism 胃液:gastric fluid 稳定态:steady-state x-?旋光异构现象:optical isomerism 悬浮液suspension 香味剂flavor 稀释剂diluent 形状:shape 吸收absorption 消除:elimination y-胰岛素insulin 压片:tablet compression z-中间体intermediote 重结晶recrystallization 左旋:levorotation 蒸徭distillation 组织tissue a-asymmetric carb on 不对称碳absorption 吸收action 动作odhesive 粘合剂c-contamination 污染chirality:手性compress 压缩composite 合成的compressibility:可压缩性compaction:压紧contaminotion specialize 特殊污染conductivity 电导率control控制clinical:临床的 d- design:设计dry:干燥delivery:传送 e-巳xtgnd:延长epoxide:环氧化物 f- formulation:$ij 剂fluidity:流动性function:功能 g- geometric isomerism:几何异构 h- hormone 激素hydrolysis diastereoisomer:水解非对映异构体 heterogeneous catalyst 多相催化剂， i- irrigating 冲洗 m- metabolite代谢物medication药物治疗medicine内服药mill:研磨measure 尺寸mix:混合microorganisms 微生物 o- ophthalmic 眼药 p- polysaccharide 多糖peptide 肽plosmo 血浆penicillin 青霉素， precursor:前体partition coefficient:狭义分配系数pharmaceutical 制药的 parenteral 注射药物pycogens 热源procedure:程序 q- quality 性质quantity 数量 s- steroid 笛类steric effect:空间效应stereoselectivity:^体选择性 screening:过筛sustain :维持
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b--吡啶pyridine 巴比妥酸:barbituric acid比电导conductance 不规则的:irregular 崩解剂disintegrant c--萃取extraction 成团:agglomeration 测量仪measurement 肠液:intestinal fluid d--胆固醇cholestero 对映体:enantiomer 电极electrode 代谢:metabolism f--反相渗透reverse osmosis 分布:disposition g--构象:conformation 固化:solidize j--甲苯toluene 静脉注:intravenous injection 挤压:compress 聚集:aggregate 胶囊capsule l--粒子:particle 立体选择性:stereoselectivity 利用率:availability m--灭菌产品sterile products n--粘合剂adhesive p--偏振光:polarized light 片剂tablet 配剂elixir 排泄:excretion q--起始原料starting materials(raw materials) q醛aldehyde r--溶解度:solubility 乳剂emulsion 润滑剂lubricant s--释放:release 渗液solution 生物膜:biologic membrane 生物碱alkaloid, t---糖浆syrup 甜味剂sweetener w--丸剂pill 微生物microorganism 胃液:gastric fluid 稳定态:steady-state x--旋光异构现象:optical isomerism 悬浮液suspension 香味剂flavor 稀释剂diluent 形状:shape 吸收:absorption 消除:elimination y--胰岛素insulin 压片:tablet compression z--中间体intermediate 重结晶recrystallization 左旋:levorotation 蒸馏distillation 组织tissue a--asymmetric carbon不对称碳absorption吸收action动作adhesive粘合剂c--contamination污染chirality:手性compress压缩composite合成的compressibility:可压缩性compaction:压紧contamination specialize特殊污染conductivity电导率control:控制clinical:临床的 d--design:设计dry:干燥delivery:传送 e-- extend:延长epoxide:环氧化物 f-- formulation:制剂fluidity:流动性f unction:功能 g--geometric isomerism:几何异构 h-- hormone激素hydrolysis diastereoisomer:水解非对映异构体 heterogeneous catalyst多相催化剂， i--irrigating冲洗 m-- metabolite代谢物medication药物治疗medicine内服药mill:研磨measure尺寸mix:混合microorganisms微生物 o--ophthalmic眼药 p-- polysaccharide多糖peptide肽plasma血浆penicillin青霉素，precursor:前体partition coefficient:狭义分配系数pharmaceutical制药的parenteral注射药物pycogens热源procedure:程序 q-- quality性质quantity数量 s-- steroid甾类steric effect:空间效应stereoselectivity:立体选择性screening:过筛sustain :维持 t-- treat治疗therapy:治疗 u--uniformity目标v--vaccine疫苗
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