现代医用英语

现代医用英语

MasterEnglishforMedicalPurposes

主讲曾仲贤

Unit11FoodSession1FoodPoisoningSession2WordBuildingSession3ActivitySession1FoodPoisoningWordstoknowReading-CenteredActivitiesQuestionstoanswer/exercisesLanguageFocusUsefulexpressionsWordstoknowcontaminatevt.污染；弄脏

toxinn.毒素

organismn.有机体prevalenta.流行的hygienen.卫生infectvt.传染，感染attributevt.把……归因于gastrointestinala.胃肠的Wordstoknowgastrointestinala.胃肠的gastritis胃炎gastric胃的gastr(o)–(词干)胃

Questionstoanswer1.Whatdoesfoodpoisoningreferto?Itreferstoanyillnesscausedbyeatingcontaminatedfood,whichmaycontaintoxinproducedbyorganisms,bacteriaandotherpoisons.2.Whenisfoodpoisoningprevalent?QuestionstoanswerInthesummermonths.3.Whatcanwedotopreventfoodpoisoning?QuestionstoanswerCarefulhygieneandfoodhandlingpracticesisOKtopreventmostcasesoffoodpoisoning.4.Whatisthedisadvantageofmassproduction?QuestionstoanswerIthasincreasedtheopportunityforforfoodpoisonstoinfectlargepopulations.I.Comprehensioncheck1.Foodpoisoningiscausedby____________.2.Foodpoisoningisusuallyseenin________.3.Foodpoisoningcanoccurinthe_________and_______.4.Mostcasesoffoodpoisoningcanbepre-ventedby___________andfoodhandlingpractices.contaminatedfoodsummerrestauranthomecarehygieneTrue(T)orFalse(F)exercises1.Peoplewhohaveeatencontaminatedfoodmaysufferfromfoodpoisoning.2.Foodpoisoningisrareinourdailylife.3.Foodpoisoningusuallyoccursinwinter.4.Themassproductionoffoodhasdecreasedtheopportunityforfoodpoisoning.(T)(F)(F)(F)

LanguageFocus

I.分词

II.It…forsb.todosth.

III.现在完成时

IV.

Itisbelieved…

I.分词1.Foodpoisoningreferstoanyill-nesscausedbyeatingcontamina-tedfood.2.Thefoodmaycontaintoxinsproducedbyorganisms,bacteriaandotherpoisons.3.Foodpoisoningremainsafairlycommonillnessaffectingaboutoneinthreepeopleeachyear.现在分词（V+ing）过去分词（V+ed）分词分词现在分词：作定语时与其所修饰的名词是主谓关系，表示正在进行的动作。过去分词：作定语时与其所修饰的名词是动宾关系，表示的动作在谓语动作之前已经发生。Itisnowpossibleforfoodtobecomecontaminatedinonecountryandcauseoutbreaksoffoodpoisoninginanother.a.It作形式主语;b.不定式短语作主语后置;e.g.

II.Itis…forsb.todosth.Howmuchdoesitcostforapatienttohaveanoperationforappendicitis?-itis

（后缀）炎；炎症hepatitis肝炎arthritis关节炎arthr-（词干）

关节1.…whenfoodshavebeenleftoutofthefridgeforsometime.

2.Mostpeoplehaveexperiencedfoodpoisoningatsometime…

3.Themassproductionoffoodhasincreasedtheopportunityforfoodpoisonstoinfectlarge…

III.现在完成时构成：have/has+done(主动语态）have/has+beendone（被动语态）用法：表示过去的行为或状态对现在的影响或其状态延续到现在

现在完成时与过去时的比较

现在完成时

现在完成时与过去时

现在完成时和一般过去时都表示过去的动作,区别在于该动作是否与现在发生联系:过去时的动作与现在无联系而现在完成时的动作或结果一直影响到现在,也许还在持续。

e.g.Ididn’thavemybreakfastyesterday.(昨天是否吃早饭和现在没什么关系)Ihavealreadyhadmybreakfast.

IV.在科技英语中常见的句型：

Itissaid(stated)that…据说……

Itmustbeadmittedthat…必须承认……

Itisreportedthat…据报道……

Itiswell-knownthat…众所周知……

Itistobenoticedthat…应该注意到……Usefulexpressionsreferto涉及；谈到，提到Thescientistreferredtothisdisco-veryasthemostexcitingnewdeve-lopmentinthisfield.Thefiguresintheleft-handcolumnrefertoouroverseassales.haveexperienceindoingsth.有过做某事的经历IhadexperienceinteachingEnglishformedicalpurpose.

experiencen.&v.