If you want a little extra security against thieves stealing your bicycle, designer Dennis Siegel has designed a solution. The RFID Bikealarm is attached to the seat on a bicycle and gives off an alarm when it senses movement.

“The RFID Bikealarm is meant to be a useful add-on to mechanical bicycle locks because it greatly extends the range of protection with only a few components,” Siegel explains on his website. “It is low-cost, durable and easy to use.”

The Bikealarm was designed as part of Siegel’s Bachelor’s degree thesis at the University of the Arts Bremen in Germany. The device will scare off any would-be thieves the moment they begin to steal the bicycle to which it is attached. It is able to continuously sense the environment to distinguish between specific events, for instance a passing tram / car and a serious theft.

Siegel created a working model of an alarm that would sound when it sensed movement, but wasn’t initially sure how it would be best attached to a bicycle. “I decided to mount it to the rails of the seat because it allows for comfortable interaction and the position is less obvious as it looks like a small repair kit,” he says.

Siegel chose to use RFID technology rather than Bluetooth to keep the costs down. Siegel explains that the most difficult aspect of creating the alarm was to get the electronic circuit down to a small enough size.

The device runs off a kind of battery that can be charged by USB within 2 hours and lasts for a few days with normal use. As the Bikealarm is only at development stage, Siegel hasn’t signed any agreements to put it on the market.

1.When it senses movement, the RFID Bikealarm will ________.

A. make a warning soundB. fasten the bicycle tightly

C. shake the bicycle quicklyD. call the police automatically

2.Which of the following shows the right position of the RFID Bikealarm on a bicycle?

3.What do we know about the RFID Bikealarm?

A. It can’t tell between specific events.

B. It is very difficult to use.

C. It uses a kind of battery for power.

D. It depends on Bluetooth technology.

4.It can be inferred from the last two paragraphs that ________.

A. the electronic circuit is a little larger

B. it’s very easy to make a Bikealarm

C. it costs too much at present

D. not many Bikealarms are produced

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年浙江溫州中學(xué)高一上期中考英語(yǔ)試卷（解析版） 題型：單項(xiàng)填空

Small blocks of time can also be made full ________ of ________ the problems in our study.

A. use; to settleB. using; settling

C. to use; to settleD. use; settling

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年新疆石河子一中高一上期周測(cè)英語(yǔ)卷（解析版） 題型：閱讀理解

Henry was an office worker in a big city. He worked very hard and enjoyed traveling in his holidays.

He usually went to the seaside, but one year he saw an advertisement in a newspaper. “Enjoy country life. Spend a few weeks at West Hill Farm. Good food. Fresh air. Horse riding. Walking. Fishing. Cheap and interesting.”

“This sounds a good idea,” he thought. “I’ll spend a month at West Hill Farm. I think I can enjoy horse riding, walking and fishing. They’ll make a change from sitting by the seaside and swimming.”

He wrote to the farmer. In the letter he said that he would like to spend all of July there. Then on the first of July, he left for West Hill Farm.

But four days later, he returned home.

“What was wrong with West Hill Farm?” his best friend, Ed, asked him. “Didn’t you enjoy country life?”

“Country life was very good,” Henry said. “But there was another problem.”

“Oh. What?”

“Well,” he said, “the first day I was there a sheep died, and we had roast mutton for dinner.”

“What’s wrong with that?” Ed asked. “Fresh meat is the best.”

“I know, but on the second day a cow died, and we had roast beef for dinner.”

“Lucky you!”

“You don’t understand,” Henry said. “on the third day a pig died and we had roast pork for dinner.”

“A different meat every day,” Ed said loudly, “and you are complaining!”

“Let me finish,” Henry said. “on the fourth day the farmer died, and I didn’t dare(敢) stay for dinner!”

1.How did Henry find out about the farm?

A. He saw it in a newspaper advertisement.

B. His best friend told him.

C. He wrote to the farmer.

D. Maybe he learned it from the radio.

2.Henry came back home several days later because ________.

A. he didn’t like the country life at all

B. the farmer wasn’t friendly to him

C. his holiday was over

D. he thought he might have to eat the farmer

3.Which is the best title for the passage?

A. What a beautiful farm！

B. Have a good time

C. A short holiday

D. Henry and the farmer

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年新疆石河子一中高一上期周測(cè)英語(yǔ)卷（解析版） 題型：單項(xiàng)填空

She dreamed ________ an online bookshop and now her dream is finally realized.

A. openingB. to penC. of openingD. to opening

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2017屆內(nèi)蒙古鄂爾多斯市高三上第四次月考英語(yǔ)卷（解析版） 題型：語(yǔ)法填空

閱讀下面材料，在空白處填入適當(dāng)?shù)膬?nèi)容（1個(gè)單詞）或括號(hào)內(nèi)單詞的正確形式。

The British have many traditions but there is nothing more typical than taking afternoon tea. We know the Brits have a love affair with drinking tea, with more than 160 million cups 1. (drink) every day, but it was the invention of afternoon tea that turned tea-drink into 2. popular pastime.

This sociable feast involves drinking good quality tea 3. (comfort) while nibbling (小口吃) on nice sandwiches, scones with jam and cream and a selection of small cakes. And, of course, it can only happen in the afternoon! Afternoon tea, which 4. (design) as a light snack to bridge the gap between lunch and dinner, dates back to the 1840s. It went on to become a 5. (fashion) social occasion for the upper classes.

Now there is a resurgence (復(fù)蘇) in its 6. (popular) in the UK and it is available to anyone who can afford it. 7. it can be enjoyed at home, the best way to experience it is at a smart hotel or café. But if you’re thinking of visiting such a place 8. (enjoy) afternoon tea, remember the rules you must follow to avoid 9. (ask) to leave.

Writer Henry James once noted that “there are few hours in life more agreeable than the hour dedicated to the ceremony 10. (know) as afternoon tea.” I’m sure once you have tried it, you will agree.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年廣西桂林市高二上期段考英語(yǔ)卷（解析版） 題型：單詞拼寫(xiě)

1.We couldn’t get to the destination on time because our car _______ _______(壞掉) halfway.

2.The government ________ _______ (呼吁)all to pay more attention to environment protection.

3.Scientists have _________ ________(提出) theories about how the universe came into being.

4.An investigation group _________ ________(由…組成)five men and two women has been sent to the spot to look into the matter.

5.More time should be ________ ________(擠出)for your English study.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年黑龍江大慶一中高一上期第三次月考英語(yǔ)卷（解析版） 題型：書(shū)面表達(dá)

假定你是李華，是學(xué)校學(xué)生會(huì)主席。最近你校英語(yǔ)俱樂(lè)部將開(kāi)展的主題為“青少年體重超重問(wèn)題”的討論會(huì)。請(qǐng)你寫(xiě)一篇發(fā)言稿。要點(diǎn)如下：

1. 問(wèn)題出現(xiàn)的原因：愛(ài)吃甜食及脂肪含量高的食物，缺乏運(yùn)動(dòng)等

2. 從飲食、運(yùn)動(dòng)及生活方式等方面提出建議。

注意：1. 詞數(shù)100左右（郵件的開(kāi)頭和結(jié)尾已給出，但不計(jì)入總詞數(shù)）。

2. 可適當(dāng)增加細(xì)節(jié)，以使行文連貫。

Dear fellow students,

How are you doing? I am Li Hua, president of the Student Union. ___________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

__________________

Thanks for your attention.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年江西上高二中高二上第三次月考英語(yǔ)卷（解析版） 題型：閱讀理解

Do you want to live with a strong sense of peacefulness, happiness, goodness, and self-respect? The collection of happiness actions broadly categorized(把……歸類(lèi)) as “honor” help you create this life of good feelings.

Here’s an example to show how honorable actions create happiness.

Say a store clerk fails to charge us for an item. If we keep silent, and profit from the clerk’s mistake, we would drive home with a sense of sneaky (暗中的) excitement. Later we might tell our family or friends about our good fortune. On the other hand, if we tell the clerk about the uncharged item, the clerk would be grateful and thank us for our honesty. We would leave the store with a quiet sense of honor that we might never share with another soul.

Then, what is it to do with our sense of happiness?

In the first case, where we don’t tell the clerk, a couple of things would happen. Deep down inside we would know ourselves as a type of thief. In the process, we would lose some peace of mind and self-respect. We would also demonstrate that we cannot be trusted, since we advertise our dishonor by telling our family and friends. We damage our own reputations by telling others. In contrast, bringing the error to the clerk’s attention causes different things to happen. Immediately the clerk knows us to be honorable. Upon leaving the store, we feel honorable and our self-respect is increased. Whenever we take honorable actions we gain the deep internal rewards of goodness and a sense of nobility.

There is a beautiful positive cycle that is created by living a life of honorable actions.

Honorable thoughts lead to honorable actions. Honorable actions lead us to a happier existence. And it’s easy to think and act honorably again when we’re happy. While the positive cycle can be difficult to start, once it’s started, it’s easy to continue. Keeping on doing good deeds brings us peace of mind, which is important for our happiness.

1.According to the passage, the positive action in the example contributes to our __________.

A. friendly relationship B. financial rewards

C. advertising ability D. self-respect 21*com

2.The author thinks that keeping silent about the uncharged item is equal to __________.

A. lying B. cheating

C. stealing D. advertising

3.How will we feel if we let the clerk know the mistake?

A. We’ll be very excited.

B. We’ll have a sense of honor.

C. We’ll feel unfortunate.

D. We’ll feel sorry for the clerk.

4.Which of the following can be the best title of this passage?

A. Happiness through Honorable Actions

B. Importance of Peacefulness

C. Ways of Gaining Self-respect

D. How to Live Truthfully

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2016-2017學(xué)年山西省高二上期中考英語(yǔ)卷（解析版） 題型：短文改錯(cuò)

假定英語(yǔ)課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌的以下作文。文中共有10處語(yǔ)言錯(cuò)誤，每句中最多有兩處，每處錯(cuò)誤僅涉及一個(gè)單詞的增加，刪除或修改。

增加：在缺詞處加一個(gè)漏字符號(hào)（^）,并在其下面寫(xiě)出該加的詞。

刪除：把多余的詞用斜線（\）劃掉。

修改：在錯(cuò)詞下劃一橫線，并在該詞下面寫(xiě)出修改后的詞。

My name is Ann. I’ve been in China in a few years. With the help of Li Hua, a good friend of mine, I’ve been used to live in China. Li Hua, like many girls, are beautiful and lively. We became friends after we meet each other a few years ago. Although her English isn’t easy to understand, but we enjoy chatting and we usually talk a lot about our favorite books. We’re both surprised that Chinese culture or American culture are so differently. Now we are planning nice party for next Sunday. There, I will introduce Li Hua to my friends, one of who has been to China several time.

查看答案和解析>>

同步練習(xí)冊(cè)答案