02 EXERCISE PLURAL NOUNS Flashcards
Bacterium are the smallest living thing.
Bacteria are the smallest living things.
They are simple organism that consist of one cell.
They are simple organisms that consist of one cell.
Consist is a verb
Bacterium exist almost everywhere.
Bacteria exist almost everywhere.
They are in the air, water, and soil, as well as in the body of all living creature
They are in the air, water, and soil, as well as in the bodIES of all living creatureS
There are thousand of kind of bacterium.
There are thousands of kinds of bacteria.
Most of them are harmless to human being, but some cause diseases such as tuberculosis and pneumonia.
Most of them are harmless to human beings, but some cause diseases such as tuberculosis and pneumonia.
Virus are also microscopic organism, but virus live in the cell of other living thing.
Viruses are also microscopic organisms, but viruses live in the cells of other living things.
By themselves, they are lifeless particle that cannot reproduce, but inside a living cell they become acive and can multiply hundred of time
By themselves, they are lifeless particleS that cannot reproduce, but inside a living cell they become active and can multiply hundredS of timeS
Virus cause many disease. They infect human being with such illness as influenza, the common cold, measles, and AIDS.
VirusES cause many diseaseS. They infect human beingS with such illnessES as influenza, the common cold, measles, and AIDS.
Virus are tiny. The virus that causes AIDS is so small that 230 million** of them could fit on the period at the end of this sentence.
VirusES are tiny. The virus that causes AIDS is so small that 230 million** of them could fit on the period at the end of this sentence.
- Air, water, soil and health are used as noncount nouns
No tienen plural. Los suelos, las aguas NOOOO
** When words hundred, thousand, million and billion are used with numerals
They remain in singular form
Today health official are expressing great concern about our health* in the future. They feel that today there is an epidemic of infectious condition that are difficult or impossible to treat, such as AIDS.
Today health officialS are expressing great concern about our health* in the future. They feel that today there is an epidemic of infectious conditionS that are difficult or impossible to treat, such as AIDS.
In addition, health official have discovered that bacterial infection that were once easily handled by antibiotics now pose a serious threat to our health.
In addition, health officialS have discovered that bacterial infectionS that were once easily handled by antibiotics now pose a serious threat to our health.
Many common bacterium have developed resistance to antibiotics and are evolving into form that are unaffected by all known medications.
Many common bacteriA have developed resistance to antibiotics and are evolving into formS that are unaffected by all known medications.
