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10. Dùng động từ trong ngoặc ở dạng dúng
The world's first computer (1) was built..........(build) at the University of Pennsylvania in 1946,although computer-like machines (2)...were built......(build) in the 19th century.Computers(3)...were sold.......(sell)commercially for the first time in the 1950s, and progress (4)....has been made......(make)since than.Computers are now much smaller and more powerful, and they can (5)..be bought.......(buy)much more cheaply. Computers (6).....have been used....(use) in many fields - in business, science, medicine and education. They can (7)...be used.....(use) to forecast the weather or to control robots which make cars. The computer's memory is the where information (8)..is kept........ (keep) and calculations (9)...are done.. (do). A computer can not think for place itself. It must (10) ....be told......(tell) exacly what to do.A lot of calculations can (11)..be done.......(do)very quickly on a computer Computer don't make mistakes. Stories (12) ....are heard.....(hear) sometimes about computers paying people too much money or sending them bills for things they didn't by. These mistakes (13) ..are made.......(make)by the programmers. Some years ago, an American computer-controlled rocket went out of control and had(14)..been destroyed...... (destroy). The accident (15) .....was caused....(cause) by a small mistake in one line of the program,which cost the USA 18 million dollars. Criminals have found that "computer crimes" are a lot easier than robbing banks. Hundreds of millions of dollars (16)..have been stolen........(steal)from bunesses every by people changing the information in computers. Large numbers of home computers (17).....have been sold....(sell) recently. People know more about computers than they used to, and computers are playing a bigger part in our lives. Progress (18)......is made.... .(make) all the time. Many people believe we can look forward to the day when even our household jobs like cleaning and decorating (19)....are done....(do) by computer-controlled robots.
(1) was built
(2) were built
(3) were sold
(4) has been made
(5) can be bought
(6) are used
(7) be used
(8) is kept
(9) are done
Headache is a very common disease in the USA. Every year, about fifty million people have to go to the doctor because of headache. The symptoms of a headache are various. People can see black dots or bright spots in front of their eyes. They may also have pains only on one side of the head. Sometimes when the pain goes away, the head is sore. People have headaches when they work too hard or they are too nervous about something. Medicine can help cure the disease but people usually have to do more than taking tablets. They can prevent headaches by changing their diets or their lifestyle or simply by going to bed.
*Questions:
1. Why is headache a common disease in the USA ?_______Because every year, about fifty million people have to go to the doctor because of it________________________
2. What can people see when they have headaches ? _____People can see black dots or bright spots in front of their eyes.__________________________
3.Can people have pains on only one side of the head ? ___________Yes, they can_________________
4. How can they prevent headaches ?________They can prevent headaches by changing their diets or their lifestyle or simply by going to bed.____________________________________
1. Americans give robots the job they can't do or don't want to do themselves
2. The Japanese robot-loving people are probably the most in the world
3. In the USA, people are not to interact with robots very eager
4. apanese people see their robots get emotional as companions that they can support from