【正文】 To improve users39。To slower users39。 While wearing the exoskeleton, a person may feel the braces and the motors pushing slightly on their legs. If their paces go against normal, the motors create a force in the braces that cause them to stiffen up and push a little more strongly against the legs, which provides stability. The 3 kilogram ( pound) exoskeleton was built entirely from scratch by the research team and is designed to be worn on the lower half of the body. A waistband connects to two movable carbon fiber braces (支架), each one positioned on the outer side of a leg. Tiny motors and socalled adaptive oscillators (適配振蕩器) in the puter circuits use a special process to detect the, wearer39。 Still in the stating stage, the Active Pelvis Orthosis (APO) system in Switzerland wants to make a lightweight, wearable exoskeleton (外骨骼) that could detect signs of balance loss and assist with balance recovery to keep the elderly wearer from falling, only when needed. Almost every second of every day an older adult falls in the United States. That39。8．閱讀短文，從每題所給的A、B、C和D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。文章前四段介紹了矯形枕頭的好處，最后一段提出了它的缺點(diǎn)，由此可知，文章主要講的是矯形枕頭的優(yōu)點(diǎn)和缺點(diǎn)，故選C。根據(jù)最后一段中的“They are usually more expensive than traditional pillows. But, if you treat the purchase as an investment on your health, it may be a lot easier for you to part with the cash.”可知，作者認(rèn)為矯形枕頭雖然貴，但是把它當(dāng)作是對(duì)健康的投資，那么花錢就會(huì)很容易，作者認(rèn)為矯形枕頭雖然貴，但是為了健康是值得的，故選A。根據(jù)第三段中的“Among the most mon causes of back and neck pains is sleeping without adequate support.”可知，睡覺(jué)時(shí)候背部和頸部疼痛的最常見(jiàn)原因是睡覺(jué)的時(shí)候沒(méi)有足夠的支撐，故選D。根據(jù)第三段中的“Orthopedic pillows help you maintain the right gesture. While traditional pillows may be very fortable, they do not necessarily promote the proper gesture as you sleep, which is proved to be important for your health.”可知，矯形枕頭優(yōu)于傳統(tǒng)枕頭主要在于矯形枕頭可以幫助人保持正確的睡姿，故選B。根據(jù)第二段中的“Sometimes people buy this type of pillow because their doctor has specifically remended them to do so as part of a treatment and management plan for neck, back, or bone problems. In recent years, people have bee ... the popularity of these pillows.”可知，矯形枕頭越來(lái)越流行的原因在于可以治療和緩解頸部、背部以及骨頭問(wèn)題，故選D。Scientific secrets behind orthopedic pillows.【答案】 （1）D（2）B（3）D（4）A（5）C 【解析】【分析】本文是一篇說(shuō)明文，介紹了矯形枕頭的功用及其優(yōu)缺點(diǎn)。The market prospect of orthopedic pillows.C.The impacts of pillows on people39。D.They help cure people39。B.They are just worth the price.D.The skeletal structure.B.Proper alignment.people39。orthopedic pillows promote the proper sleeping postureC.Their good effects on decreasing back and neck pains.（2）Orthopedic pillows are superior to traditional pillows mainly in that ________. A. specific remendation.C.s worries about sleep loss.B. Just like any product in the market, there is a disadvantage to an orthopedic pillow as well. They are usually more expensive than traditional pillows. But, if you treat the purchase as an investment on your health, it may be a lot easier for you to part with the cash.（1）What makes orthopedic pillows increasingly popular? A. Orthopedic pillows help you maintain the right gesture. While traditional pillows may be very fortable, they do not necessarily promote the proper gesture as you sleep, which is proved to be important for your health. It also helps you avoid waking up with a host of body aches and pains. Among the most mon causes of back and neck pains is sleeping without adequate support. Orthopedic pillows can provide you with the necessary support that will keep these kinds of body pains away. The pillow is specifically designed to conform to the natural contours (輪廓) of your body, thus ensuring that your skeletal structure is kept in proper alignment (直線) throughout the night and that no part of your body is subjected to too much pressure, which leads to pain. Orthopedic pillows are not just like any other ordinary pillow. These products are specially made to fulfill a specific function.7．閱讀下列短文，從每題所給的四個(gè)選項(xiàng)A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。t alone. By laughing together, we share our stress.”可知，在壓力大的情況下，幽默是一種減壓的方式，第六段第一句話又說(shuō)有很多團(tuán)隊(duì)小丑的例子，緊接著舉廚師的例子就是為了證明這一點(diǎn)，即：幽默的人能使人在困難的情況下振作起來(lái)，故選C。 （4）考查推理判斷。 （3）考查推理判斷。 （2）考查詞義猜測(cè)。根據(jù)倒數(shù)第二段中的“‘Being funny won39。To reveal that a mission to Mars is more difficult than a journey to the South Pole.【答案】 （1）A（2）D（3）B（4）C 【解析】【分析】本文是一篇說(shuō)明文，由美國(guó)宇航局尋找一位幽默的工程師來(lái)和宇航員一起執(zhí)行航天任務(wù)介紹了幽默對(duì)宇航員的重要作用。To prove that an amateur can play a more important role than a professional.C.s purpose of giving the example of the cook? A.It can help them know themselves better.（4）What39。It can make them feel less homesick.B.It can stop them from feeling bored.D.C.B.A popular edian.（2）What does a confined space in Paragraph 3 refer to? A.A good cook.A talented clown.A funny engineer.Besides, they must be in top physical condition.（1）What is NASA39。Being funny won39。re hoping that your favorite TV edian will fly to Mars, that probably won39。 s team, was a clown. He made people laugh through the whole journey. Amundsen later wrote that Lindstrom was the most valuable member of the team. t alone. By laughing together, we share our stress. Then we can focus on our jobs instead of just worrying.This is probably why NASA wants an astronaut with a sense of humor. These are people that have the ability to pull everyone together, Johnson said.When you39。 s no joke. The US space agency is looking for a joker to join their planned mission to Mars. 6．閱讀理解 縱觀全文可知，本文主要講述了一只鯨魚因吞食大量的塑料而死亡，這引發(fā)了人們對(duì)塑料污染的擔(dān)憂，故選A。根據(jù)最后一段中的“If we keep going this way, it will be more unmon to see an animal die of natural causes than it is to see an animal die of plastic,”可知，布拉奇利說(shuō)如果我們繼續(xù)這樣下去，動(dòng)物因吃塑料死亡的情況比自然死亡更為常見(jiàn)，由此可知，他對(duì)菲律賓的塑料污染很擔(dān)憂，故選B。s system.”可知，在鯨魚體內(nèi)發(fā)現(xiàn)的東西將在這座自然博物館中展出，故選C。 （2）考查細(xì)節(jié)理解。根據(jù)第二段中的“he was not prepared for the amount of plastic they f