IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces.
Computers are very (21)____, but they also can (22) _____ problems. One kind of
problem is with the computer’s memory. It is not perfect, so (23) ____ computers lose
(24)______information. (25)_____ problem is with the machinery. Computers are
machines, and (26)_____can break down. When computers break down, they
(27)______erase information, like chalk on a blackboard. Or they may stop doing
anything at all. And there is another different kind of problem with computers. Some
doctors say they may be bad for your (28)_____. They say you should computers all day.
21. a. Useful b. careful c. helpful d. a&c
22. a. make b. cause c. do d. take
23. a. nearly b. hardly c. never d. sometimes
24. a. boring b. interesting c. important d. amusing
25. a. Other b. Another c. Some d. Many
26. a. computers b. machines c. problem d. information
27. a. may b. must c. should d. need to
28. a. health b. healthy c. healthful d. healthily
V. Read the following passage and choose the item (a, b, c, or d) that best answers
each of the questions about it.
The first computers were very large machines. Now computers come in all shapes and
sizes. There were still big computers for companies or universities. There are other
special computers for factories. These large computers tell the factory machines what to
do. But there are also small personal computers to use at home or in an office. There are
even computers in telephones, television sets, and cars. These computers have to be very
small. They are so small you cannot even see all their parts.
29. The first computers were _______.
a. tiny b. huge
c. in all shapes and sizes d. all are correct
30. There are computers
a. for companies and universities
b. to use at home
c. in telephones, television sets, and cars
d. all are correct
31. What does the word ‘they’ in line 7 refer to?
a. telephones b. television sets
c. cars d. computers
32. What is the passage written about?
a. old computers b. modern computers
c. computers’ shapes d. computers’ sizes
33. Which of the following is true?
a. The first computers were very large.
b. Nowadays, there are only small computers.
c. All modern computers are so small that you cannot see all their parts.
d. Modern computers have the same size.

Read the passage below and decide whether the statements are TRUE or FALSE?

Inventions That Changes Our World

People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier.

Airplane

The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you?

Telephone

Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you?

Automobile

The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you?

Computer

People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you?

Question: People use computers as tools to write, get information.

Read the passage below and decide whether the statements are TRUE or FALSE?

Inventions That Changes Our World

People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier.

Airplane

The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you?

Telephone

Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you?

Automobile

The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you?

Computer

People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you?

Question: The wheel was invented more than 5 thousands years ago.

Read the passage below and decide whether the statements are TRUE or FALSE?

Inventions That Changes Our World

People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier.

Airplane

The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you?

Telephone

Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you?

Automobile

The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you?

Computer

People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you?

Question: Before the invention of automobiles, people walked or rode horses for long trips.

Read the passage below and decide whether the statements are TRUE or FALSE?

Inventions That Changes Our World

People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier.

Airplane

The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you?

Telephone

Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you?

Automobile

The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you?

Computer

People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you?

Question: Before the airplane was invented, people traveled around on foot

Read the passage below and decide whether the statements are TRUE or FALSE?

Inventions That Changes Our World

People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier.

Airplane

The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you?

Telephone

Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you?

Automobile

The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you?

Computer

People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you?

Question: Alexander Graham Bell invented the telephone in 1876.

Read the text carefully and answer True (T) or False (F)

Not so long ago, people only used the telephone to make phone cells. Now, thanks to computers, people use their phone to do much more. They can bank by phone, rent videos by phone, and even shop by phone. It's also possible to send letters and reports by faxing them over telephone lines. People can use their phone lines to send messages from one computer to another computer by electronic mail, or mail .

But you don't need to be at home or at the office to use the phone anymore. You can carry a cell phone in your pocket or keep one in your car. With cell phone, anyone can talk and walk whenever you want. We don't have to look for a pay phone if we want to make a call anymore. Now you can take your calls with you everywhere .

..............1. We only used the telephone to make calls not so long ago .

...............2.Now we can use computers to phone much more .

..............3.We can do everything by phone nowadays .

..............4.To use the phone, we have to be at home or at the office .

Cảm ơn các bạn nhiều nhé<3

Fill each gap in the passage with a suitable word:

Almost every office now uses computer. They are used for all kinds of work. For (1)......, scientists, engineers, and economists use them. Bussiness people use (2)....... to make business decisions. Doctors also use computers to help their patients. Computers make work easier for writers, (3)......... And even students now use computers to help in (4)....... studies. Besides, some people (5)...... computers at home to help them make plans (6)....... pay bills. Everyone knows (7)........ computers are useful. And there are many other new computer programs. Some people like the way computers hum and sing (8)........ they are working. It is a happy sound, (9)......... the sounds of toys. Computer also have lights and pretty pictures. With a computer, anyone can feel like an artist. And computers even seem to have personalities. That may sound strange, but computers seem to have feelings. Sometimes they seem happy, (10)........... they seem angry. It is easy to think they are like people.

Exercise 7. Read the following passage and choose the best answers to each of the question below.

The first computers were very large machines. Now computers come in all shapes and sizes. There were still big computers for companies or universities. There are other special computers for factories. There large computers tell the factory machines what to do. But there are also small personal computers to use at home or in an office. There are even computers in telephones, television sets, and cars. These computers have to be very small. They are so small you cannot even see all their parts.

36. The first computers were _______________.

A. tiny B. huge C. in all shapes and sizes D. all are corect

37. There are computers _______________.

A. for companies and universities B. to use at home

C. in telephones, television D. all are correct

38. What does the word 'They' in line 5 refer to?

A. telephones B. television sets C. cart D. computers

39. What is the passage written about?

A. old computers B. modern computers

C. computers' shapes D. computers' sizes

40. Which of the following is true?

A. The first computers were very large.

B. Nowadays, there are only small computers.

C. All modern computers are so mall that you cannot see all their parts.

D. Modern computers have the same size.

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Computers are not used in Defence.