1、Now describe a similar experiment for finding the density of a beverage in a report style. Use the following words in the description. The procedure is: washdrypourmeasurecalculate.Density bottle was washed with brush firstly and then rinsed with alcohol. The empty bottle was dried and weighed by th
2、e scale. Then put exactly a volume of the liquid into the bottle. Next the full bottle was weighed by the scale and gained the mass. The mass of the liquid, therefore, can be calculated with subtraction between the mass of the full bottle and the mass of the empty bottle. Finally its density is calc
3、ulated with the equation = m/v. The operation should be done at the room temperature.E. 描述测量物体的单位Use following words to describe cotton, glass, wire, leather, chocolate, sugar, sand and wood. A block ofglassA bar of chocolateA sheet ofleatherA piece of A bucket ofSandA grain of sand /sugarA length o
4、fwireA pile ofwoodA plank of WoodA reel ofcottonA stack ofA strip ofChapter 74 练习：构词 1） Study the meanings of stems and affixes, and then give examples of words you know which are derived from these stems and affixes.PrefixesExamplesante-, ant-beforeantacidcircum-aroundcircumstancecontra-, anti-agai
5、nstantidote, antibodyinter- betweeninterbioticintro-, intra- withinintron, intracardialmis-wrong, unfavorablemisioninmono-one, alone, singlemonoacetate, monoamineneuro-, neur-nerve, nervous systemneurobiotaxis, neurilemmaorth-, orth-straight, proper, 正的orthanilamide, orthodiazinepost-afterpostalbumi
6、nsub-, suc-, suf-, sug-, sup-, sus- undersubstrate, subaciditysuper- abovesuperacidity, superalkalitrans-acrosstransacetylase, transaldolaseretro-backward, back, behindretrovaccination, retrovirusStems-ced-go, move, yieldintercede-duc- leadconductor-flect- bendinflection-mit-, -miss- senddismiss-por
7、t- carrytransport-sequ-, -secut- followconsequence-spir- breatheinspirit-tele- farteleautomatics-vene-, -vent- comeconvener-voc-, -vok-callinvokeSuffixes-able-, -ible-, -blecapable of, fit forreproducible-ous, -ious, -osefull of, of the nature ofbilious, filamentous2） Mach these stems and affixes wi
8、th their meanings1. e6. b11. c16. c2. b7. d12. a17. d3. a8. e13. e18. a4. d9. c14. b19. b5. c10. a15. d20. eChapter 8A. 学习实验方法和讨论结果的表述（用括号内的词或句型将汉文译成英文）1） The details of an analytical method for determination of the content of glutamic acid is as following. 2） Initiate the research with the determin
9、ation of the pH range-finding. 3） The food additive most frequently employed include sugar, salt, vinegar and so on.4） The enzyme reaction is terminated after a period of 2 hours by heating.5） According to the regulations, experimental dose-effect relationship must be no less than five concentration
10、 levels, each concentration level with triplicate parallel test, employed with a control.6） The sample should be watched in regard to the color changes in the process of experiment.7） Select the enzyme depending on the using temperature and pH.8） If there are indications that the liver is damaged af
11、ter medicine feeding then the subacute experiment must be carried out.9） To establish of standard curves, pre-tests of at least three concentration levels should be conducted to establish the range.10） It could be demonstrated that this compound could be capable of showing different colors under dif
12、ferent pH in this experiment.11） In the experiment of detecting pesticide residue, GC has proved most adaptable. 12） In the chronic animal experiments, no less than four groups plus a control group of experimental animals are employed, each consisting of at least 25 pairs of mice.13） The experiment
13、should be operated in the temperature and humidity controlled room.14） The minimum toxic dosage level is expected to produce no toxicity, at the other extreme the maximum dosage should be sufficient to cause pathological changes, but not cause high mortality before the end of the experiment. Other d
14、osages fall in between these two dosages.15） In the experiment need to be sampled at various intervals, the quantity of sample in each group should increase accordingly.16） Observations and sampling should be made of every two hours.17） The change of the detective current is due to contamination of
15、the electrode.18） Control group should be handled in the identical manner as the sample.19） The theory of that literature could be cited to show that our experimental results are right.20） This new chromatogram is about ten times as sensitive to pesticide residues as the old one.21） Patient is as mu
16、ch as ten times more susceptible to toxic compounds than healthy individual.B. 构词1） Study the meanings of suffixes, stems and affixes, and then give examples of words you know which are derived from these suffixes, stems and affixes.ExampleStems and Affixes-al醛acetalhydroxy-羟基hydroxyacetone-ane饱和烃；烷
17、methanecarbonyl-羰基carbonylate-ase酶amylasecarboxy（l）-羧基carboxylesterase-ectomy切除hysterectomy amino-氨基aminoacetone-ene烯butylenephenyl-; benz-苯基phenylacetate-enol烯醇piperitenolphenol苯酚phenolase-gen原antigenpropyl丙基propylaldehyde-genin配基acetogenindeuteron-; 次deuteroxide-less无；缺乏hopelessolig（o）-低聚；寡聚oligos
18、accharide-（a）emia血ischemiaiodo-碘化-iodoform-mycin霉素gentamycinbutyl-丁基-ol醇methanolpoly-; multi-多polyacrylonitrile-oma瘤；癌encephalomadi-; bi-二diabetin-one酮acetone反（式）；转transaldolase-ose糖maltoseiso-异；分离isoacetylene-oside糖苷glucose-sorbosidemanno-甘露-mannosan-osis增多（症）mannosidosisglycerin甘油glycerine-osone邻酮
19、醛糖deoxyosonehyper-; per-; homo-高hyperoxide-penia减少（症）leukopeniahept-庚heptachlor-itis炎症laryngitisdeca-癸decahydronaphthalene-uria尿acetonuriadecyl-癸基decylenecyclo-环-cyclobarbital2） Study the meanings of following stems and affixes. Mach these stems and affixes with their meanings1. b6. d11. b16. d2. c7
20、. e17. c3. d8. b4. e9. a14. c19. e5. a10. c20. bChapter 92 练习：A. 学习下列化学词汇的前缀、词干和后缀，根据它们的词义将下列的化学名词译成中文。Acetaldehyde乙醛Monochloropropane一氯苯乙烯Dehydroalanine脱氢丙氨酸mono-methylhydrazine一甲基肼formyl-methylhydrazine甲酰-丙卡巴肼N-methylolacrylamide N-羟甲基丙烯酰胺Gastrointestinal肠胃的Perfluorooctane全氟辛烷Glycolaldehyde羟乙醛Phen
21、ylalanine苯丙氨酸Haemoglobin血红蛋白Phycotoxin 藻毒素Hepatorenal肝肾的Polyaromatic芳烃聚合物Heterocyclic杂环的polychlorinated biphenyls聚氯联二苯Hydroxymethylfurfural羟甲基糠醛Pyrosynthesis高温合成Lysinoalanine赖氨酸丙氨酸Tetrahydropurine四氢嘌呤 B. 学习下列词汇的前缀、词干和后缀，并根据它们的词义将下面的词与含义相匹配。1. f13. f19. c2. e 8. c20. d9. d15. c21. e16. a22. a5. b23. f6. c12. f18. e24. bChapter 10专业词汇理解A. According to the text, which of followings belong to Neutriceutical?ginshenB. According to the text, the “probiotics ” probably is a type ofmicroorganismC. According to the text, the “Prebiotics” probably is a type ofnondigestible foodD. According to the
