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展开“Batteries stre renewable energy fr when it's needed, nt just when it's prduced. This is crucial fr getting the mst ut f wind and slar pwer,” Jiang said. “Energy generatin and energy cnsumptin is always mismatched. That's why it's imprtant t have a device that can stre that energy temprarily and release it when it's needed.”
They described their nvel design in the jurnal NatureCmmunicatins.
Traditinal car batteries cntain a mix f sulfuric acid and water. While they're inexpensive and made frm readily available materials, they have severe drawbacks fr industrial r largescale use. They have a very lw energy density (密度), which isn't suitable fr string sufficient pwer needed t pwer a city. And they have a lw level fr electrchemical stability, which means they can blw up.
Water has a vltage (电压) limit. Once the vltage f such a battery ges beynd the stability windw f 1.5 vlts, the water can decmpse int hydrgen and xygen, which is explsive.
But Jiang and his students have develped a battery withut water that can generate nearly 4 vlts f pwer. Jiang's nvel design des s by remving frm a battery the membrane, which is a huge cmpnent f upfrnt csts and accunts fr as much as 30% f the cst f the battery. They invented a new type f energy strage material that imprves perfrmance at a lwer cst. “Membranes are als inefficient. They can't separate the psitive and negative sides cmpletely, s there is always crssver,” he said.
The grup has submitted temprary patent applicatins. “There is still a lng way t g, but we're advancing tward a dramatic battery transfrmatin in the next decade. I'm cnfident abut that. There is a lt f intense research ging int pushing the bundaries f battery perfrmance,” Jiang said.
1.What's mainly talked abut in Paragraph 3?
A.Why batteries are essential.
B.Hw t stre renewable energy.
C.Why green energy is needed.
D.Hw t cnserve natural resurces.
2.What's the prblem with traditinal car batteries?
A.They're t pricy.
B.They're made f rare materials.
C.They're slw t charge.
D.They have a ptential explsin risk.
3.What can we say abut Jiang's nvel design?
A.It may reshape the battery industry.
B.It's inapprpriate fr largescale use.
C.It may help minimize pwer cnsumptin.
D.It's subject t mature industry standards.
4.What is Jiang's attitude twards the prspect f the battery?
A.Dismissive. B.Uncertain.
C.Psitive. D.Pessimistic.
B
[2024·江苏省连云港高三上学期月考]In times f distress, a friend wuld always suggest ging fr a walk. “Are yu verwhelmed by yur wrk? Take a talk arund the neighbrhd.” Cmments like this are ften said with nthing but the best f intentins, but they used t make me angry as much as being tld t drink mre water. I did nt understand hw these things were ging t help.
Three years ag, I hit a lw pint. Once I saw a pair f empty eyes lking at me thrugh the mirrr, I knew I was at my breaking pint. S, I tk the advice I fught s hard t ignre. I went fr a walk—with the hpe that it wuld smehw change my life.
I embraced the fresh air everyne seemed t be talking abut. But it did nthing. I was just as sad as I was befre. I went n a walk every single day fr mre than a mnth. Sme days I culd hardly make it utside, but I managed t push thrugh. I tk a picture every time I went. I think I wanted t dcument (记录) myself trying t make an effrt.
One day, the unthinkable happened. I fund myself smiling. I realized I had patiently waited all mrning t g n this walk. What I nce hated had becme the best part f my day. I fund myself lnging t be utside. I never had a destinatin in mind. I just danced alng the trails, stpped t lk at the beautiful blue skies and listened t music.
I'm glad I tk pictures because there was a nticeable difference in my face. I slwly started t lk less tired and defeated. I dn't knw why I refused t g n that walk fr s lng. I guess I didn't want t believe that smething small and seemingly meaningless culd actually make an impact n my physical and mental wellbeing.
If yu're having a bad day, a bad mnth, a bad year r even a bad life, yu shuld try ging fr a walk. Smetimes, all we need t d is try.
5.Hw did the authr use t feel when peple suggested she g fr a walk?
A.Pleased.
B.Annyed.
C.Interested.
D.Surprised.
6.Why did the authr decide t g fr a walk three years ag?
A.Her friend encuraged her.
B.She wanted t challenge herself.
C.Her hpelessness drve her t try.
D.She was eager t get clse t nature.
7.What happened after the authr started t g fr a walk?
A.She felt cheered up after the first week.
B.She always set ff with a destinatin in mind.
C.She stpped fr a while due t lack f prgress.
D.She was inspired by the pictures she tk f herself.
8.What des the authr advise us t d?
A.Care abut ur mental wellbeing.
B.G fr a walk when feeling dwn.
C.Stay psitive when bad things happen.
D.Take ther peple's suggestins seriusly.
Ⅱ.七选五
[2024·辽宁省六校协作体高三上学期期中]The Oxfrd Dictinary describes staycatins as “a hliday spent in ne's hme cuntry rather than abrad, r ne spent at hme and invlving day trips t lcal attractins.”__1__
It gives yu almst 100% f restful time with little t n prep. Stp t cnsider the fllwing: the rati (比例) f quality time that's spent n relaxatin is mre imprtant than the number f days fr hlidays. __2__ Fr instance, a weekend break that cnsists f lng travel n either side is n recipe (良方) fr relaxatin.
This is ne f the reasns why staycatins are mre refreshing than vacatins. __3__ Instead f lsing time and energy preparing fr a vacatin, a staycatin will prvide yu with highquality resting time. Yu'll get back t wrk feeling mre refreshed, and relaxed.
__4__ Staycatins als tick sme f the same bxes as vacatins like experiencing new things. Yu just need t explre nearby things which yu have never paid attentin t. Often we verlk the attractins that are near t us. __5__ Hwever, if yu make an effrt t explre the area clse t where yu live, yu may be pleasantly surprised. There will be cafes and restaurants yu've never tried, histric buildings yu've never seen befre, and nature parks yu've never visited. S with a little effrt n yur part, yu'll be able t experience new and exciting things clse t hme.
A.They act as real breaks frm wrk and life pressure.
B.If yu give this sme thught, yu'll realize that it's true.
C.A vacatin can leave yu mre tired than befre yur trip.
D.In additin, it can ffer yu fresh experiences immediately.
E.Let's take a lk at the great things abut taking a staycatin.
F.Staycatins dn't mean lng traveling, which csts yu a lt less.
G.We ften chse t spend big amunts f mney visiting freign cuntries.
[答题区]
1.____________ 2.____________ 3.____________ 4.____________ 5.____________
Ⅲ.语法填空
[2024·山东省实验中学高三上学期期末]During the Hangzhu 2023 Asian Games, athletes frm arund the wrld have been explring acupuncture (针灸), a cmpnent f Traditinal Chinese Medicine (TCM). This practice 1.________ (be) an imprtant part f Chinese healthcare system fr centuries.
TCM, which includes acupuncture, herbal therapy, massage, Tai Chi, and Qigng remains 2.________ essential cmpnent f China's medical system and has gained increasing 3.________ (recgnize) n a glbal scale. Nt nly is it ppular amng the Chinese ppulatin, but it is als gaining interest in Western scieties, 4.________ has led t increased investments in prfessinal TCM services.
While China places significant emphasis 5.________ the integratin f TCM with mdern bimedicine, it is als becming mre ppular wrldwide. Althugh sme medical prfessinals are 6.________ (dubt) abut the farreaching effects f TCM, the practice 7.________ (accept) as a fundamental aspect f glbal healthcare.
TCM has been recgnized fr the ptential benefits, particularly when 8.________ (use) alngside with mdern medicine, which has resulted in its increasing integratin int mdern healthcare systems. Despite its ancient Chinese rigins, TCM's principles and practices have a glbal influence currently, with experts 9.________ (ffer) their special skills acrss the wrld.
As research int TCM cntinues t advance and mre individuals embrace it fr their healthcare needs, the field is 10.________ (definitin) t grw.
[答题区]
1.____________ 2.____________ 3.____________ 4.____________ 5.____________
6.____________ 7.____________ 8.____________ 9.____________ 10.____________
课时作业(三十三) 选择性必修第三册Unit 3 War and peace
Ⅰ.阅读理解
A
【语篇解读】 本文是一篇说明文。文章主要介绍了吉米·姜和他的团队研究的新电池的优点和不足,以及发展前景。
1.答案与解析:A 主旨大意题。由文章第三段中“Batteries stre renewable energy fr when it's needed, nt just when it's prduced. This is crucial fr getting the mst ut f wind and slar pwer”可知,本段主要谈论了电池很重要,是必不可少的。故选A。
2.答案与解析:D 细节理解题。由文章第五段中“And they have a lw level fr electrchemical stability, which means they can blw up.”可知,传统汽车电池有潜在的爆炸风险。故选D。
3.答案与解析:A 推理判断题。由文章第一段中“Jimmy Jiang envisins a future where every huse is pwered by renewable energy stred in batteries.”和最后一段“There is still a lng way t g, but we're advancing tward a dramatic battery transfrmatin in the next decade.”可知,吉米·姜的新颖的设计,可能会给电池行业带来巨大变革,会重塑电池行业。故选A。
4.答案与解析:C 推理判断题。由文章最后一段中“I'm cnfident abut that. There is a lt f intense research ging int pushing the bundaries f battery perfrmance”可知,吉米·姜对于这种电池的前景很有信心,他是积极乐观的。故选C。
B
【语篇解读】 本文是一篇夹叙夹议文。主要讲的是作者原本觉得别人介绍的在烦恼的时候去散步的建议是无用的,在有一次作者处于人生低谷的时候,尝试去散步,坚持下去后作者看到了自己的变化,作者建议读者过得很糟糕的时候去尝试散步。
5.答案与解析:B 细节理解题。根据第一段的“Cmments like much as being tld t drink mre water.”可知,当人们建议作者去散步时,她觉得生气,故选B。
6.答案与解析:C 推理判断题。根据第二段的“I knew I was at my breaking went fr a walk—with the hpe that it wuld smehw change my life.”可知,三年前,作者决定去散步是因为她的绝望驱使她去尝试。故选C。
7.答案与解析:D 推理判断题。根据第三段的“I tk a picture every time I went. I think I wanted t dcument (记录) myself...”和倒数第二段的“I'm glad I tk pictures...”可知,作者开始散步后受到了她给自己拍的照片的鼓舞。
8.答案与解析:B 细节理解题。根据最后一段的“If yu're having a bad day, shuld try ging fr a walk.”可知,作者建议我们情绪低落的时候出去散散步。故选B。
Ⅱ.七选五
【语篇解读】 本文是一篇应用文。文章主要介绍居家度假的好处并建议读者到离家近的地方旅游。
1.答案与解析:E 根据上文“《牛津词典》将居家度假描述为‘在自己的祖国而不是国外度过的假期,或者在国内度过并包括前往当地景点的一日游。’”和下文“它给你几乎100%的休息时间,几乎没有准备。”可知,文章接下来要介绍居家度假的好处。选项E“让我们来看看居家度假的好处。”和上下文意思一致。故选E。
2.答案与解析:B 根据上文“停下来考虑以下几点:花在放松上的高质量时间比假期的天数更重要。”可知,这里强调要把时间花在高质量的时间上。选项B“如果你仔细想想,你就会意识到这是真的。”和上文意思一致。故选B。
3.答案与解析:A 根据上文“这就是为什么居家度假比度假更令人耳目一新的原因之一。”和下文“居家度假将为你提供高质量的休息时间,而不是浪费时间和精力为度假做准备。回到工作岗位后,你会感到更加精神抖擞、放松。”可知,这里介绍居家度假的好处。选项A“它们起到了缓解工作和生活压力的真正作用。”和上下文意思一致。故选A。
4.答案与解析:D 根据下文“居家度假也与度假一样,比如体验新事物。”可知,这里提到居家度假可以提供体验新事物的好处。选项D“此外,它可以立即为您提供新鲜的体验。”符合语境。
5.答案与解析:G 根据下文“然而,如果你努力探索离你住的地方很近的地区,你可能会感到惊喜。”可知,这里是建议大家不要去远而且花钱多的地方去旅游,而是要选择近的地方。选项G“我们经常选择花大价钱去外国旅游。”符合语境。
Ⅲ.语法填空
【语篇解读】 本文是一篇说明文。包括针灸、草药疗法、按摩、太极和气功在内的中医仍然是中国医疗体系的重要组成部分,并在全球范围内获得了越来越多的认可,文章对此进行了介绍。
1.答案与解析:has been 考查现在完成时和主谓一致。根据“fr centuries”可知,此处应用现在完成时。主语practice为第三人称单数。故填has been。
2.答案与解析:an 考查冠词。cmpnent意为“组成部分”,为可数名词,此处essential cmpnent为第一次出现,所以应用不定冠词表示泛指,essential的开头发音为元音,故填an。
3.答案与解析:recgnitin 考查名词。此处作宾语应用名词recgnitin表示“认可”。故填recgnitin。
4.答案与解析:which 考查定语从句。在非限制性定语从句中缺少主语,且修饰句子,所以应用关系代词,故填which。
5.答案与解析:n/upn 考查介词。place emphasis n/upn意为“重视”,为固定搭配,故填n/upn。
6.答案与解析:dubtful 考查形容词。be dubtful abut意为“对……持怀疑态度”,所以此处应用形容词作表语。故填dubtful。
7.答案与解析:has been accepted 考查现在完成时的被动语态和主谓一致。此处描述动作发生在过去,但对现在产生结果或影响,所以应用现在完成时。动词accept意为“接受”,和主语构成被动关系。主语practice为第三人称单数。故填has been accepted。
8.答案与解析:used 考查过去分词和状语从句的省略。在when引导的时间状语从句中,主语和主句相同,所以从句中可以省略主语和系动词,动词use意为“使用”,和主语构成逻辑被动关系,所以应用过去分词形式。故填used。
9.答案与解析:ffering 考查现在分词。在with的复合结构中,动词ffer意为“提供”,和逻辑主语experts构成主动关系,故填ffering。
10.答案与解析:definite 考查形容词。be definite t d意为“肯定做某事”,此处应用形容词,故填definite。
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