Question and Answer 5

P48

1.I use my phone regularly.Main function of my phone is to allow me to talk whoever I want to talk. And also it is used for making life easier.

2.I use it for fun such as saving photos,watching movies,listening music and playing games.However,I use it for my education such as learning English and taking photos of my lesson.

P49

1.GPS in cars and trucks is are used to highway navigation and vehicle tracking.Topographical surveying is useful  for mapping surface features.

P50

1.The elevator would connect  the earth’s surface to space.And it will use an incredibly strong and lightweight cable that is strong enough to support it’s own weight and a heavy load.

2.It will be used for transpoting heavy load into orbit without the need for explosive and environmentally unfriendly rockets.Even it will transport people.

3. First,how could such a height be reached? Second,how they connect the earth to space.

4.I think the concept of space elevators is not being taken seriously at present because it sounds like imagination and it will cost way too much.

P52

1.An automated system means some kind of  technology operates by itself.Contrarily,a manual system means it is controlled by someone.

P54

1.The example of monitoring and control systems is refrigerator.Monitoring system of refrigerator adjusts the temperature at  confortable level.It shuts up the cooling system when the temperature is low.And it shuts down the cooling system when the temperature become high.

P57

1.The test engineer tests materials or equipments for a undustry.If they certify the materials and equipments,then a company use it to build a structure that they make.

2.For aircraft,the materilas have to be light and have high strength and stiffnesss.Engineers use different instruments to make these materials.

3.The testing is extremely important for aircraft because any failure could end in disaster.And airplane always carry very important things such as people and their expensive loads.

P57

1.I would like to do Joaquin’s job.I’ve always wanted to work in aircraft industry and it would be amazing.