Drones are a kind of machine that can fly. They’re becoming more and more popular and are widely used in many areas. People use a computer to control this flying machine. Drones can do many things for us, like carrying things, taking pictures, and following animals that are in danger. Some people say this special machine will change our life as much as the computer does.
In Brazil, farmers use drones to watch their crops. Brazil has quite a few large farms. On these farms, people find it difficult to look after all the crops. Drones can help farmers to find out if the crops are ill. They also help farmers use fewer farm chemicals. This can help the environment and save much money.
Drones can also help to find lost people. If people are lost, who are far from home, police can use drones to find them. A 92-year-old man in Virginia was lost and had to spend a night in the woods. Luckily, the drone found him in 20 minutes. He was finally saved by the police.
Drones can even serve people coffee. US company IBM has made this kind of drone. It can carry coffee to those in need. The drone can know when to bring a cup of coffee by studying a person’s habits. Then, the drone will fly to the person. There is a special device (设备) under the drone. It helps the drone to give people the coffee. The drone can also predict when someone needs their next cup of coffee.
27. In Paragraph 1, the writer tells us the wide use of drones in the passage by ________.
A.giving examples | B.listing numbers |
C.answering questions | D.using famous sayings |
28. Which of the following statements is
TRUE?
A.Drones are more useful than computers. |
B.Drones don’t need anyone to control them. |
C.Drones can look for things that are lost. |
D.Drones can help people look after the crops. |
29. How does the drone serve coffee?
a. A device under the drone helps to give the person coffee.
b. The drone studies the person’s habits.
c. The drone flies to the person.
d. The drone knows when to give the next cup of coffee.
A.b—a—c—d. | B.b—c—a—d. | C.c—b—a—d. | D.c—a—b—d. |
30. What is the right structure of the passage?