[单项选择]第二篇 Eye-tracker Lots You Drag and Drop Files with a Glance Bored of using a mouse Soon you’ll be able to change stuff on your computer screen – and then move it directly onto your smartphone or tablet(平板电脑) –with nothing more than a glance. A system called EyeDrop uses a head-mounted eye tracker that simultaneously records your field of view so it knows where you are looking on the screen. Gazing at an object – a photo, say – and then pressing a key, selects that object. It can then be moved from the screen to a tablet or smartphone just by glancing at the second device, as long as the two are connected wirelessly. "The beauty of using gaze to support this is that our eyes naturally focus on content that we want to acquire," says Jayson Turner, who developed the system with colleagues at Lancaster University, UK. Turner believes EyeDrop would be useful to transfer an interactive map or contact information from a public
A. To minimize the cost of EyeDrop.
B. To choose as many objects as possible.
C. To make EyeDrop different from others.
D. To select what we want.

[单项选择]第二篇 Eye-tracker Lots You Drag and Drop Files with a Glance Bored of using a mouse Soon you’ll be able to change stuff on your computer screen – and then move it directly onto your smartphone or tablet(平板电脑) –with nothing more than a glance. A system called EyeDrop uses a head-mounted eye tracker that simultaneously records your field of view so it knows where you are looking on the screen. Gazing at an object – a photo, say – and then pressing a key, selects that object. It can then be moved from the screen to a tablet or smartphone just by glancing at the second device, as long as the two are connected wirelessly. "The beauty of using gaze to support this is that our eyes naturally focus on content that we want to acquire," says Jayson Turner, who developed the system with colleagues at Lancaster University, UK. Turner believes EyeDrop would be useful to transfer an interactive map or contact information from a public
A. change our computer screen.
B. focus on anything that interests us.
C. get a smartphone connected wirelessly.
D. move an object from screen with a glance.

[单项选择] 第一篇 Eye-tracker Lots You Drag and Drop Files with a Glance Bored of using a mouse Soon you’ll be able to change stuff on your computer screen – and then move it directly onto your smartphone or tablet(平板电脑) –with nothing more than a glance. A system called EyeDrop uses a head-mounted eye tracker that simultaneously records your field of view so it knows where you are looking on the screen. Gazing at an object – a photo, say – and then pressing a key, selects that object. It can then be moved from the screen to a tablet or smartphone just by glancing at the second device, as long as the two are connected wirelessly. "The beauty of using gaze to support this is that our eyes naturally focus on content that we want to acquire, "says Jayson Turner, who developed the system with colleagues at Lancaster University, UK. Turner believes EyeDrop would be useful to transfer an interactive map or contact information from a public display to your smartphone or f
A. change our computer screen.
B. focus on anything that interests us.
C. get a smartphone connected wirelessly.
D. move an object from screen with a glance.

[单项选择]第二篇 A Phone That Knows You’re Busy It’s a modern problem：you’re too busy to be disturbed by incessant(连续不断的)phone calls so you turn your cellphone off .But if you don’t remember to turn it back on when you’re less busy．you could miss some important calls if only the phone knew when it was wise to interrupt you，you wouldn’t have to turn it off at all. Instead，it could let calls through when you are not too busy A bunch of behavior sensors(传感器)and a clever piece of software could do just that，by analyzing your behavior to determine if it’s a good time to interrupt you．If built into a phone，the system may decide you’re too busy and ask the caller to leave a message or ring back later． James Fogarty and Scott Hudson at Camegie Mellon University in Pennsylvania based their system oil tiny microphones，cameras and touch sensors that reveal body language and activity．First they had to study different behaviors to find out which ones stongly predict whether your mind is
A. they must tolerate phone disturbances or miss important calls．
B. they must turn off their phones to keep their homes quiet．
C. they have to switch from a desktop phone to a cellphone．
D. they are too busy to make phone calls．

[单项选择]第二篇 　　 Road Trip Vacations 　　It’s summer. In the United States, it’s the season of swimming pools, barbeques (户外烤肉), camping and road trips. 　　Road trip vacations where the car journey is part of the fun are especially popular with college students, who like to explore the country on wheels. These budget trips are ideal for students who often have plenty of free time but little money. 　　"Ever since I went to college, I’ve been traveling around a lot, exploring the country," said Austin Hawkins, a 19-year-old college student from New York. This summer, Hawkins and his friends have spent weekends traveling in New England. 　　The best part about car trips, said Hawkins, is that you can be spontaneous. "On a road trip, if you get interested in things you see along the way you can stop and explore." 　　Matt Roberts, a 20-year-old student from Ohio who drove to Montreal, Canada, agrees. "With road trips you don’t have to plan in advance, you
A. College students who like to travel on wheels.
B. Teachers who have plenty of free time but little money.
C. Volunteers who want to help rebuild New Orleans.
D. Americans who have no cars.