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现代医用英语
Master English for Medical Purposes
主讲
曾仲贤
Unit 11
Session 1
Food
Food Poisoning
Session 2 Word Building
Session 3 Activity
Session 1
Food Poisoning
Words to know
 Reading-Centered Activities
Questions to answer/exercises
Language Focus
Useful expressions
Words to know
contaminate vt. 污染；弄脏
toxin n. 毒素
organism n. 有机体
prevalent a. 流行的
Words to know
hygiene
n. 卫生
infect vt. 传染， 感染
attribute vt. 把……归因于
gastrointestinal a. 胃肠的
gastrointestinal a. 胃肠的
gastr(o) –(词干)胃
gastritis 胃
炎
gastric 胃
的
Questions to answer
1.What does food poisoning refer to?
It refers to any illness caused by
eating contaminated food, which
may contain toxin produced by
organisms, bacteria and other
poisons.
Questions to answer
2. When is food poisoning prevalent?
In the summer months.
Questions to answer
3. What can we do to prevent food
poisoning?
Careful hygiene and food
handling practices is OK
to prevent most cases of
food poisoning.
Questions to answer
4. What is the disadvantage of
mass production?
It has increased the
opportunity for for
food poisons to infect
large populations.
I. Comprehension check
contaminated food
1. Food poisoning is caused by____________.
2. Food poisoning is usually seen in ________.
summer
restaurant
3. Food poisoning can occur in the _________
and _______.
home
4. Most cases of food poisoning can be prevented by ___________and
food handling
care hygiene
practices.
True ( T ) or False ( F ) exercises
1. People who have eaten contaminated food
may suffer from food poisoning. (T)
2. Food poisoning is rare in our daily life. (F)
3. Food poisoning usually occurs in winter. (F)
4. The mass production of food has decreased
the opportunity for food poisoning. (F)
Language Focus
I. 分词
II. It … for sb. to do sth.
III.现在完成时
IV. It is believed …
I. 分词
1. Food poisoning refers to any illness caused by eating contaminated food.
2. The food may contain toxins
produced by organisms, bacteria
and other poisons.
3. Food poisoning remains a fairly
common illness affecting about
one in three people each year.
分词
现在分词（V+ing）
分词
过去分词（V+ed）
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。
II. It is … for sb.to do sth.
It is now possible for food to
become contaminated in one
country and cause outbreaks of
food poisoning in another.
a. It 作形式主语;
b. 不定式短语作主语后置;
e.g.
How much does it cost for a patient to
have an operation for appendic itis?
-itis （后缀）炎；炎症
hepatitis 肝炎
arthritis 关节炎
arthr-（词干） 关节
III. 现在完成时
1. …when foods have been left
out of the fridge for some time.
2.Most people have experienced
food poisoning at some time …
3. The mass production of food
has increased the opportunity for
food poisons to infect large …
构成：have / has +done (主动语
态）have /has +been done（被动语
态）
现
在
完
成
时
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. I didn’t have my breakfast yesterday.
(昨天是否吃早饭和现在没什么关系)
I have already had my breakfast.
IV.在科技英语中常见的句型：
It is said (stated) that… 据说……
It must be admitted that… 必须承
认……
It is reported that… 据报道……
It is well-known that… 众所周知……
It is to be noticed that… 应该注意
到……
Useful expressions
refer to 涉及；谈到，提到
The scientist referred to this discovery as the most exciting new development in this field.
The figures in the left-hand column
refer to our overseas sales.
experience n. & v.
have experience in doing sth.
有过做某事的经历
I had experience in teaching English
for medical purpose.
Our country has experienced great
changes in the last 30 years.
attribute … to … 把……归因于；
He attributes his success to hard
work / to working hard.
联想： attribute n. 特性、属性
attributive a. 限定的