题目
It used to be mostly the military that used small，unpiloted aircraft，called "drones".The little planes were very costly.But as they have dropped in price more people have begun to use them.Rescue workers and farmers are among the new users. The fast rate of the development of computer technology，image sensing devices，satellite navigation（卫星导航）and smart phones has led to lower-priced drones.Researchers and developers have learned how to build smaller and less-costly drones.Moviemakers are using drones to film from the sky.Historians use them when they explore ancient buildings.Rescue workers use them to look for people.And now farmers are using them to monitor their crops. Romain Faroux is a French businessman who starts companies.His father was a farmer.He believed drones could help farmers.He helped create a company that developed a small drone that could be controlled by people on the ground.They called it "Agridrone".It uses a special "optical sensor（光学传感器）" to examine crops.The technology used is similar to that used by smart phones — except it has wings.A computer program directs the drone to fly over the crops.The sensor on the drone records four different-colored "bands" of sunlight that are reflected off the crops. Jean-Baptiste Bruggeman is a farmer.He says the drone flies over his crops at different times of the season.This provides a lot of information about his crops.The drone pictures show him the exact amount of fertilizer the crops need.It also shows exactly where the fertilizer is needed. Romain Farous says farmers use information collected by the Agridrone to place fertilizer（化肥）only in areas where it is needed.This saves money and reduces pollution.Before they used the drones，farmers would put the same amount of fertilizer everywhere.Drones also save time because farmers can examine up to three hectare（公顷）in about a minute.（1）Why do rescue workers and farmers begin to use drones？ ____ A.Drones can monitor their cattle.B.Drones' prices have dropped.C.Drones can help them get more business.D.rones' sizes become smaller.（2）What can the drones developed by Romain Faroux's company do？ ____ A.Explore ancient buildings.B.Put fertilizer on the crops.C.Help farmers examine their crops.D.Help rescue workers look for people.（3）What can the sensor on the drone do？ ____ A.Help the sunlight shine on the crops.B.Direct the plane to fly over the crops.C.Examine the different colors of the crops.D.Record the sunlight reflected off the crops.（4）According to the text，the use of the drone is ____ .A.environment-friendlyB.wastefulC.costlyD.safe
It used to be mostly the military that used small，unpiloted aircraft，called "drones".The little planes were very costly.But as they have dropped in price more people have begun to use them.Rescue workers and farmers are among the new users.
The fast rate of the development of computer technology，image sensing devices，satellite navigation（卫星导航）and smart phones has led to lower-priced drones.Researchers and developers have learned how to build smaller and less-costly drones.Moviemakers are using drones to film from the sky.Historians use them when they explore ancient buildings.Rescue workers use them to look for people.And now farmers are using them to monitor their crops.
Romain Faroux is a French businessman who starts companies.His father was a farmer.He believed drones could help farmers.He helped create a company that developed a small drone that could be controlled by people on the ground.They called it "Agridrone".It uses a special "optical sensor（光学传感器）" to examine crops.The technology used is similar to that used by smart phones — except it has wings.A computer program directs the drone to fly over the crops.The sensor on the drone records four different-colored "bands" of sunlight that are reflected off the crops.
Jean-Baptiste Bruggeman is a farmer.He says the drone flies over his crops at different times of the season.This provides a lot of information about his crops.The drone pictures show him the exact amount of fertilizer the crops need.It also shows exactly where the fertilizer is needed.
Romain Farous says farmers use information collected by the Agridrone to place fertilizer（化肥）only in areas where it is needed.This saves money and reduces pollution.Before they used the drones，farmers would put the same amount of fertilizer everywhere.Drones also save time because farmers can examine up to three hectare（公顷）in about a minute.
（1）Why do rescue workers and farmers begin to use drones？ ____
A.Drones can monitor their cattle.
B.Drones' prices have dropped.
C.Drones can help them get more business.
D.rones' sizes become smaller.
（2）What can the drones developed by Romain Faroux's company do？ ____
A.Explore ancient buildings.
B.Put fertilizer on the crops.
C.Help farmers examine their crops.
D.Help rescue workers look for people.
（3）What can the sensor on the drone do？ ____
A.Help the sunlight shine on the crops.
B.Direct the plane to fly over the crops.
C.Examine the different colors of the crops.
D.Record the sunlight reflected off the crops.
（4）According to the text，the use of the drone is ____ .
A.environment-friendly
B.wasteful
C.costly
D.safe
The fast rate of the development of computer technology，image sensing devices，satellite navigation（卫星导航）and smart phones has led to lower-priced drones.Researchers and developers have learned how to build smaller and less-costly drones.Moviemakers are using drones to film from the sky.Historians use them when they explore ancient buildings.Rescue workers use them to look for people.And now farmers are using them to monitor their crops.
Romain Faroux is a French businessman who starts companies.His father was a farmer.He believed drones could help farmers.He helped create a company that developed a small drone that could be controlled by people on the ground.They called it "Agridrone".It uses a special "optical sensor（光学传感器）" to examine crops.The technology used is similar to that used by smart phones — except it has wings.A computer program directs the drone to fly over the crops.The sensor on the drone records four different-colored "bands" of sunlight that are reflected off the crops.
Jean-Baptiste Bruggeman is a farmer.He says the drone flies over his crops at different times of the season.This provides a lot of information about his crops.The drone pictures show him the exact amount of fertilizer the crops need.It also shows exactly where the fertilizer is needed.
Romain Farous says farmers use information collected by the Agridrone to place fertilizer（化肥）only in areas where it is needed.This saves money and reduces pollution.Before they used the drones，farmers would put the same amount of fertilizer everywhere.Drones also save time because farmers can examine up to three hectare（公顷）in about a minute.
（1）Why do rescue workers and farmers begin to use drones？ ____
A.Drones can monitor their cattle.
B.Drones' prices have dropped.
C.Drones can help them get more business.
D.rones' sizes become smaller.
（2）What can the drones developed by Romain Faroux's company do？ ____
A.Explore ancient buildings.
B.Put fertilizer on the crops.
C.Help farmers examine their crops.
D.Help rescue workers look for people.
（3）What can the sensor on the drone do？ ____
A.Help the sunlight shine on the crops.
B.Direct the plane to fly over the crops.
C.Examine the different colors of the crops.
D.Record the sunlight reflected off the crops.
（4）According to the text，the use of the drone is ____ .
A.environment-friendly
B.wasteful
C.costly
D.safe
题目解答
答案
（1）B.细节理解题。根据第一段中的But as they have dropped in price more people have begun to use them.Rescue workers and farmers are among the new users.但随着价格的下降，越来越多的人开始使用它们。救援人员和农民都是新用户。可知，救援人员和农民开始使用无人机，是因为无人机的价格下降了。故选B。
（2）C.细节理解题。根据第三段中He helped create a company that developed a small drone that could be controlled by people on the ground.They called it "Agridrone".It uses a special "optical sensor" to examine crops.他帮助创建了一家公司，该公司开发了一种可以由地面人员控制的小型无人机。他们称之为" 农业无人机"。它使用一种特殊的"光学传感器"来检测农作物。可知，Romain Farour公司研发的无人机能帮助农民检查他们的庄稼。故选C。
（3）D.细节理解题。根据第三段中的The sensor on the drone records four different-colored "bands" of sunlight that are reflected off the crops.无人机上的传感器记录农作物反射的四种不同颜色的"波段"阳光。可知，无人机上的传感器能记录农作物反射的阳光。故选D。
（4）A.推理判断题。根据最后一段Romain Faroux says farmers use information collected by the Agridrone to place fertilizer only in areas where it was needed.This saves money and reduces pollution.Before they used the drones，farmers would put the same amount of fertilizer everywhere.Drones also save time because farmers can examine up to three hectare in about a minute.Romain Faroux说，农民利用农业无人机收集的信息，只在需要化肥的地方施肥。这节省了资金，减少了污染。在使用无人机之前，农民会在各地撒同样数量的肥料。无人机还可以节省时间，因为农民可以在大约一分钟内检查三公顷的土地。可推知，无人机的使用是环保的。结合选项：A.environment-friendly环保的；B.wasteful浪费的；C.costly昂贵的；D.safe安全的。故选A。
（2）C.细节理解题。根据第三段中He helped create a company that developed a small drone that could be controlled by people on the ground.They called it "Agridrone".It uses a special "optical sensor" to examine crops.他帮助创建了一家公司，该公司开发了一种可以由地面人员控制的小型无人机。他们称之为" 农业无人机"。它使用一种特殊的"光学传感器"来检测农作物。可知，Romain Farour公司研发的无人机能帮助农民检查他们的庄稼。故选C。
（3）D.细节理解题。根据第三段中的The sensor on the drone records four different-colored "bands" of sunlight that are reflected off the crops.无人机上的传感器记录农作物反射的四种不同颜色的"波段"阳光。可知，无人机上的传感器能记录农作物反射的阳光。故选D。
（4）A.推理判断题。根据最后一段Romain Faroux says farmers use information collected by the Agridrone to place fertilizer only in areas where it was needed.This saves money and reduces pollution.Before they used the drones，farmers would put the same amount of fertilizer everywhere.Drones also save time because farmers can examine up to three hectare in about a minute.Romain Faroux说，农民利用农业无人机收集的信息，只在需要化肥的地方施肥。这节省了资金，减少了污染。在使用无人机之前，农民会在各地撒同样数量的肥料。无人机还可以节省时间，因为农民可以在大约一分钟内检查三公顷的土地。可推知，无人机的使用是环保的。结合选项：A.environment-friendly环保的；B.wasteful浪费的；C.costly昂贵的；D.safe安全的。故选A。