题型:阅读理解 题类:常考题 难易度:普通
河北省邢台市第八中学2017-2018学年2017-2018学年高二下学期英语期末考试试卷
You can't always predict a heavy rain or remember your umbrella. But designer Mikhail Belyaev doesn't think that forgetting to check the weather forecast before heading out should result in you getting wet. That's why he created Lampbrella, a lamp post with its own rain-sensing umbrella.
The designer says he came up with the idea after watching people get wet on streets in Russia. “Once, I was driving on a central Saint Petersburg street and saw the street lamps lighting up people trying to hide from the rain. I thought it would be appropriate to have a canopy(伞蓬) built into a street lamp,” he said.
The Lampbrella is a standard-looking street lamp fitted with an umbrella canopy. It has a built-in electric motor which can open or close the umbrella on demand Sensors(传感器) then ensure that the umbrella offers pedestrians shelter whenever it starts raining.
In addition to the rain sensor, there's also a 360°motion sensor on the fiberglass street lamp which detects whether anyone is using the Lampbrella. After three minutes of not being used the canopy is closed.
According to the designer, the Lampbrella would move at a relatively low speed, so as not to cause harm to the pedestrians. Besides, it would be grounded to protect from possible lightning strike. Each Lampbrella would offer enough shelter for several people. Being installed(安装) at 2 metres off the ground, it would only be a danger for the tallest of pedestrians.
While there are no plans to take the Lampbrella into production, Belyaev says he recently introduced his creation to one Moscow Department, and insists his creation could be installed on any street where a lot of people walk but there are no canopies to provide shelter.
Science camps for kids
Destination Science Young Inventors
Curious minds want to know and build. Experiment & discover the technology behind controls that operate inventions: touch, sound and motion sensors. Take home a robot dog that barks, eats, and sits at your command. Invent flipping friction racers, magnetic quiz games, 3D water-powered polymers and more.
Price
Options |
Early Bird Price |
Regular Price |
1st & 2nd Grade |
$350 |
$370.00 |
3rd-5th Grade |
$410 |
$430.00 |
Early bird price ends
Mar 15, 2019
Schmahl Science Physics of Motion(运动)
The physics of motion is all about forces. Forces need to act upon an object to get it moving, or to change its motion. In the tradition of Da Vinci, Galileo and Newton, students will explore forces as they build gliders and airplanes, design submarines, build rockets, learn about light, make roller coasters and build bridges.
Price
Options |
Early Bird Price |
Regular Price |
3rd-5th Grade |
$475.00 |
$500.00 |
Early bird price ends
Mar 15, 2019
Mad Science
Junior Mad Scientists explore the kingdom of the Chemical and Physical world in this crazy week of non-stop action! Kids explore our wonder lab and find eggs that don't break, ice that doesn't melt, and discover how to freeze time! Our young chemists perform impressive hands-on experiments.
Price
Options |
Early Bird Price |
Regular Price |
1st & 2nd Grade |
$338 |
$358.00 |
3rd-5th Grade |
$395 |
$420.00 |
Early bird price ends
Mar 12, 2019
试题篮