




版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
1、高考英語(yǔ)復(fù)習(xí)備考:同源高考一修復(fù)師讓化石“活” 了起來等3那么修復(fù)師讓化石“活” 了起來化石被發(fā)現(xiàn)時(shí)通常被包裹在層層的巖石中,很少有人能認(rèn)出它們是什么。修復(fù)師必須 移除周圍的積物,才能讓古老的生物盡可能呈現(xiàn)出最原始的狀態(tài)。當(dāng)然,這需要修復(fù)師們 極大的專注和耐心。Restorer Luo Yongming, 51, sits unmoving for almost an hour, staring into the microscope as he uses a pneumatic pen on a crinoids fossil. Crinoids are a family of marine
2、 animals that still exist today as starfish and sea urchins, and the part Luo is cleaning is only 3 to 4 centimeters long. For most people, the process is repetitive and boring, but not for Luo. Touching species from ancient times and trying to restore them to their original states is like talking t
3、o history and preserving ancestral memories. The more I restore, the more I feel the magic, he said.When Luo was young, he played in the mountains around the factory where his father worked. He found many stones containing fossilized insects, which first aroused his interest. He later studied mining
4、 at college and then joined a geological prospecting team after graduation.In 1998, a friend brought a crinoids fossil for restoration to the office next to Luos at the geological investigation research institute. Seeing the elderly researchers wearing reading glasses and trembling as they handled t
5、he fossil, Luo offered to help. 4 trembling是seeing的賓語(yǔ)補(bǔ)足語(yǔ)。II. Text-centered chunksstare into凝視;注視offer to do主動(dòng)去做take a break 休息一下新型智能義肢為方便缺失手臂的殘疾人的生活,上海交大研究人員研發(fā)出了一款技術(shù)先進(jìn)的義肢。Gu Guoying and his colleagues at Shanghai Jiao Tong University, in China, have just come up with what looks to be a significant a
6、dvancean affordable prosthetic hand that not only responds like a real one to signals from the wearers brain, but is also able to signal back to the brain what it is touching and doing.The whole hand is covered with a flexible elastomeric (彈性體)layer to imitate skin and is attached to the users resid
7、ual limb. In contrast to current models, which are electrically powered, the new prosthetic hand is powered by a compressed air pump. This reduces its weight below 300 gramshalf that of some current models.The hand uses similar signal processing algorithms (算法)to other prosthetics on the market. The
8、 big advance is that it does not require invasive surgery or electronic implants into the residual limb to communicate with the users brain. Sensors on the skin record electrical signals from the remaining arm muscles. The signals then are interpreted by pattern recognition software that sends appro
9、priate commands to the pump to move the artificial hand. Meanwhile, other signals travel in the opposite direction from sensors in the hands fingertips to nerves in the arm, from which they are relayed to the brain and provide a sense of touch. The result is something which responds like a hand and
10、feels like one to the user.Dr Gu and his colleagues compared the efficacy of their invention with that of existing models using tests borrowed from research into strokes and spinal cord injuries. These included writing, grasping and lifting objects, and lifting food to the mouth. Normally, they foun
11、d it worked betterparticularly for delicate tasks like handling fragile objects, petting a cat and shaking hands.The other advantage of Dr Gu and his colleagues invention is that it is cheap. The components it is made from cost about $500. Existing models may sell for $10, 000 or more. If it goes in
12、to production, that will permit the transformation of many more of the lives of the people who have lost a hand, or were born without one.Reading checkWhat makes the prosthetic hand an advance?A. Its shape. B. Its functions.C. Its structure. D. Its skin.Whats the advantage of the power system of the
13、 new hand?It weighs less.Ifs more powerful.It costs less.D. Its more energy-efficient.What does the underlined word “residual” in paragraph 2 probably mean?A. Injured. B. Remaining.C. Missing. D. Artificial.What can we infer from the last paragraph?We can buy the new prosthetic hand for about $500.T
14、he new prosthetic hand is not available on the market at present.Disabled people have benefited a lot from the new product.The new invention is not expensive.Language StudyDifficult sentence in the textMeanwhile, other signals travel in the opposite direction from sensors in the hands fingertips to
15、nerves in the arm, from which they are relayed to the brain and provide a sense of touch.與此同時(shí),其他信號(hào)那么以相反的方向從指尖上的傳感器傳到手臂的神經(jīng)中,再?gòu)哪抢?傳到大腦,從而產(chǎn)生觸覺。智能繃帶人們?cè)谔幚韨诘臅r(shí)候,難免會(huì)因碰及傷口而造成疼痛。新型智能繃帶可以防止這種 情況的發(fā)生,給傷者帶來福音。How can doctors make sure a dressed wound is healing without taking off the ban d age? This is a difficu
16、lt problem, because removing a bandage can damage the healin g process. Technology presented in a new study could help.This new smart bandage contains a sensor that can sensitively measure wound moi s ture levels and then transmit the data to a nearby smartphone, without requiring doct ors to remove
17、 the bandage. By changing the geometry and materials in the bandage, u sers may be able to adjust it to suit different types of wounds. The technology could help doc tors to monitor wounds more easily and successfully.Chronic wounds can be a source of significant suffering and disability for patient
18、s wh o experience them. Getting such wounds to heal is tricky and there are many factors that can affect wound healing. However, one of the most important is moisture levels. If the wound is too dry, the tissue can become dry; if the wound is too wet, it can become white and wrinkly. However, if a d
19、octor wants to check the moisture levels of a wound ,then he or she needs to remove the bandage, potentially damaging the delicate hea ling tissue. These issues have inspired this latest smart bandage.The choice of materials was a challenge, so researchers applied a special material onto a gauze (紗布
20、)using a technique called screen printing, and then connected the gauze with commercially available bandage materials. The idea is that changes in the moisture levels of the wound cause a change in an electronic signal measured by the sensor.To test their bandages, the researchers exposed them to ar
21、tificial wound liquid, a nd also tested different bandage materials and shapes. They found that the bandage wa s highly sensitive, providing different readings in different conditions, suggesting it co uld be a valuable tool in wound management.“We developed a range of bandages with various layers a
22、nd different absorption pro perties and characteristics, said Dr Luca Toscanini, one of the researchers. The ide a is that each type of wound could have its own appropriate dressing. However, we will need to further perfect the sensor geometry and determine the appropriate sensor value s for the bes
23、t healing before we can apply our technology to various types of wounds.”What does paragraph 2 mainly talk about the smart bandage?Its popularity.Its wide application.Its working mechanism.Its complex structure.Whafs the key factor that influences wound healing?The applied medicine.The function of the tissue.The degree of suffering.The wounds moisture levels.How can we describe the smart bandage?A. Green. B. Firm.C. Convenient. D. Flexible.What can we infer from what Dr Luca Possanzini said in the last paragraph?There is a variety of bandages availa
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 臨沂職業(yè)學(xué)院《意大利文學(xué)史》2023-2024學(xué)年第二學(xué)期期末試卷
- 教具及類似用具項(xiàng)目安全評(píng)估報(bào)告
- 長(zhǎng)春工程學(xué)院《車輛設(shè)計(jì)》2023-2024學(xué)年第二學(xué)期期末試卷
- 北京化工大學(xué)《建筑模型》2023-2024學(xué)年第二學(xué)期期末試卷
- 江蘇省蘇州市市轄區(qū)市級(jí)名校2025年初三下學(xué)期期中考試物理試題(文理)試卷含解析
- 同濟(jì)大學(xué)《醫(yī)學(xué)美容護(hù)理》2023-2024學(xué)年第二學(xué)期期末試卷
- 天津音樂學(xué)院《當(dāng)代世界文學(xué)》2023-2024學(xué)年第一學(xué)期期末試卷
- 河北公安警察職業(yè)學(xué)院《燃?xì)廨斉湔n程設(shè)計(jì)》2023-2024學(xué)年第二學(xué)期期末試卷
- 燕山大學(xué)《法語(yǔ)》2023-2024學(xué)年第一學(xué)期期末試卷
- 長(zhǎng)沙醫(yī)學(xué)院《互聯(lián)網(wǎng)金融服務(wù)營(yíng)銷》2023-2024學(xué)年第二學(xué)期期末試卷
- 醫(yī)院患者自殺應(yīng)急預(yù)案
- 幼兒園大班繪本《愛書的孩子》無聲PPT
- DB3311T 132-2020 住宅小區(qū)物業(yè)服務(wù)規(guī)范
- (中職)門店運(yùn)營(yíng)實(shí)務(wù)教學(xué)ppt課件(完整版)
- 2022更新國(guó)家開放大學(xué)電大《計(jì)算機(jī)應(yīng)用基礎(chǔ)(專)》終結(jié)性考試大作業(yè)答案任務(wù)一
- 3.無人機(jī)在風(fēng)電系統(tǒng)應(yīng)用解決方案
- 廣東省異地就醫(yī)備案登記表
- 人教鄂教版四年級(jí)下冊(cè)科學(xué)全冊(cè)教案
- SIEMENS-S120變頻器硬件、軟件培訓(xùn)(高端培訓(xùn))課件
- CA6132普通車床使用說明書
評(píng)論
0/150
提交評(píng)論