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Câu trả lời:

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Câu trả lời:

There are some diseases for which we know no cure. For many of these, however, scientists have been able to discover a means of prevention. Smallpox is such a disease.

In the 18th century, millions of people died of smallpox, while many others who recovered from the disease were left scared for life. Today, it is rare to find a case at all.

By 1780, doctors had noticed that once person had smallpox, he became immune to it. From this observation, the theory of inoculation was developed. Inoculation is a way of deliberately giving a person a disease by placing disease matter under the skin. When this is done, the person may develop a mild case of the disease, but from then on he is safe from a severe attack.

Using this principle, an English doctor named Edward Jenner set to work against smallpox. He found that persons who had had a milder disease called cowpox could not catch smallpox. The cowpox seemed to make them immune. By taking some bacteria from the arm of a person who was ill with cowpox, and giving it to a healthy person, Jenner found that he could transfer the immunity. Jenner’s process came to be known as vaccination, from the Latin word “vacca”, meaning “cow”. Because of vaccination, smallpox, one of the man’s greatest enemies, has been practically wiped out.

 

1. While not directly stated, it may be inferred from the article that__________

A. There is no good cure for smallpox. B. smallpox has almost disappeared.

C. smallpox and cowpox are similar diseases. D. smallpox can disfigure people who suffer from it.

2. This article as a whole tells us__________

A. about an English doctor named Edward Jenner B. all about inoculation.

C. all about vaccination. D. how a terrible disease was conquered.

3. Vaccination means__________

A. Wiping out smallpox. B. Preventing diseases by prescribing medicine.

C. transferring immunity from one person to another. D. protecting cows from cowpox.

4. Inoculation against smallpox means__________

A. giving a person some medicine to take. B. placing diseased matter under his skin.

C. injecting him with some drugs. D. deliberately coming into contact with smallpox patients.

5. Which sentence is NOT true?

A. The principle of inoculation was well-known before 1700.

B. People who have been ill with cowpox are immune to smallpox.

C. Vaccination can prevent smallpox. D. In the 18th century, millions of people died of smallpox

Câu trả lời:

1. After the floods, there were many schemes to ………money to help the homeless

A. rise

B. raise

C. arise

D. raze

2. When he arrived, everyone ……..

A. has left

B. left     

C. had left     

D. leave

3. Hurry up! They’ve only got ……. seats left.

A. a little                    

B.  plenty of

C.  a lot of                   

D. a few   

4.    I'd rather you ………… anyone what I said.

A. don't tell      

B. won't tell                 

C. didn't tell              

D. hadn’t told

5.    We were so late that we……….. had time to catch the train.

A. nearly

B. hardly

C. almost

D. simply

6.    There is always ……….. traffic in the city centre at rush hour.

A. heavy    

B. full

C. strong

D. many

7. By the time you receive this letter, I will have left ………. Japan.

A. to

B. for

C. at

D. in

8.   According to the _____   in England, we have to use a knife and folk at dinner.

A. table ways

B. table manners

C. behaviours

D.  differences

9. She’d prefer to go out ……… home.

A. than to stay                        

B. than staying                  

C. rather than staying                        

D. rather than stay                        

10. I was just ..............to go out when you telephoned.

A. around

   B. about

  C. thinking

D. planed

11. All people who were without homes in the flood were provided with … accommodation.

A. short

B. temporary          

C. present

D. instant

12. When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans ……..

A. changes

B. keeps

C. remains

D. stays

13. Australia is home to ……… animals like kangaroos and koalas.

A. only

B. rare

C. unique

D. precious

14.The Maori in New Zealand greet each other by ………. their noses.

A. touching

B. punching

C. blowing

D. rubbing

15. Peter was expelled from the volunteer team ______ his misbehavior

A. in spite of

B. regardless of

C. except for

D. because of

16 Among the ………………, the Tay people have the largest population.                        

A. groups         

B. majorities         

C. ethnic minorities

D. ethnic cultures

17. …..the time you get to the theater, the play will have finished.

A. Until

B. In

C. By

D. On

18. _______, which are the movements in the Earth’s crust, often occur in Japan.

A. Volcanoes              B. Hurricanes             C. Tsunamis              D. Earthquakes

19. “ No one was killed in the forest fire two days ago”. - “_____________”

A. Oh dear                                                                  B. That’s shocking                 

C. That’s a relief                                                         D. How terrible

20.  Linh: Mai has won the first prize.  - Ha:            ­ !

A. That's awesome.     B. Oh dear.          C. How terrible.       D. That's shocking.

Câu trả lời:

17. What’s the matter? – I have a……………….

A. very pain toothache        B. very painful toothache            C. very toothache painful

18. What do you do ………….yourself clean and tidy?

A. and keep                           B. for keeping                       C. to keep

19. Lien look worried because she always ………….to brush her teeth.

A. forget                                B. forgets                               C. to forget

20. Most children feel…………………..when they come to see the dentist.

A. scared                              B. sad                                    C. happy

21. You can get……………..if you read for a long time.

A. headache                         B. a headache                     C. the headache

22. Take an eye test………………it continues for a few days.

A. because                            B. if                                        C. but

23. You can have a headache if you are very………………..

A. tire                                      B. tired                                  c. tiring

24. Take an aspirin………………..any other tablets to kill the pain.

A. if                                         B. but                                      C. or

25. However, ……………take more than two tablets at any time.

A. not                                      B. don’t                                 C. can’t

26. If your headache does not go away, …………….another tablet about four hours later.

A. take                                   B. to take                               C. taking

27. Fortunately, …………are harmless not serious.

A. most of headaches         B. most headaches                       C. most the headaches