1、【 精品教育资源文库 】 阅读理解（科普知识类） 完形填空（夹叙夹议文） +应用文写作 . 阅读理解 (2018 甘肃通渭二中期中 ) If you want to slow aging， you might want to eat less.This finding is good news if you were a mouse.The researchers studied mice， not people. John Price and other researchers studied two groups of mice.One group was able to eat as
2、much as it wanted.The researchers limited what the mice in the other group ate.Their diet had 35 percent fewer calories than the first group of mice. Price says the mice with the diet restrictions were “more energetic and suffer ed fewer diseases”.They were not just living longer but seemed to stay
3、younger for a longer period of time. The researchers found that fewer calories slow down a natural mechanism in cells called ribosomes.Price explains that ribosomes are responsible for making important proteins in the cells.But with fewer calories， they slow down.This gives the cells more time to re
4、pair themselves. The researchers say ribosomes use from 10 to 20 percent of the cells energy to make those proteins.Price wrote that “because of this， it is impractical to destroy an entire ribosome” when it starts to break down.However ， “repairing individual parts of the ribosome on a regular basi
5、s enables ribosomes to continue producing high quality proteins for longer than they would otherwise.This top quality production，in turn， keeps cells and the entire body functioning well.” Price said， “Ribosome is a very complex machine ， like a car.” They need “maintenance to replace the parts that
6、 wear out the fastest.When tires wear out ， ” he explained， “yo u dont throw the whole car away and buy a new one.It costs less to replace the old tires.” “Food ， ” he said ， “isnt just material to be burned its a signal that tells our body and cells how to respond.” Price said the findings help to
7、explain how exactly our bodies age.And this may “help us make more educated decisions about what we eat”. 1.What can we know about the mice with limited calories from the study? A.They can keep healthy easily. 【 精品教育资源文库 】 B.They need more energy to be active. C.They can look younger than they are.
8、 D.They will live a longer life like humans. 2.What will happen to ribosomes if there are fewer calories? A.They will completely break down. B.They make proteins in the cells slowly. C.They will produce high quality proteins more. D.They may need more time to repair themselves. 3.Price explained the
9、 ribosomes role of repairing themselves by . A.telling a story B.listing basic data C.making comparisons D.experimenting on mice 4.What does the text mainly deal with? A.Food decides how long you live. B.Can you slow down your aging process? C.Eating less may help you live longer. D.Should your diet
10、 be reduced for your health? . 完形填空 (2017 河北衡水中学联考 ) That was my first ballet performance and I was the lead role.A huge black curtain 5 me from the crowd.My heart raced so rapidly that it would 6 out of my chest.A rush of 7 shot through my body when the music began and I took my 8 at the center of
11、the stage.I pushed off the floor as hard as I could and 9 into the air.Then I started to come 10 for my landing， preparing to jump again， and yet my foot 11 .I fell， facefirst.For a moment I couldnt 12 ， wondering if I should go on. 13 ，trained for thousands of hours for twelve years， my muscles ign
12、ored the 14 of my mind and I 15 myself back on my feet.I finished the part and left the stage.Bending over a table， I tried to 16 tears.I didnt want to go back to finish the last twenty minutes.I didnt 17 the lead role. Then came my teacher.“The 18 thing on stage is to fall.Youve gotten it ，so whats
13、 left to 19 ？ Just go and give it all.”Her words 20 me.Minutes later，I went back onstage and completely let go of 21 .I just danced， letting the music 【 精品教育资源文库 】 guide me through the movement. Now， as a Principal Dancer， I often think about that performance.We fall when we try our hardest.There i
14、s no 22 ， only pride.Falling is 23 and sometimes it is easier just to stay on the 24 .But if we never get up， we will never experience what it is like to fly. 5.A.covered B.hid C.protected D.drove 6.A.beat B.drop C.run D.shout 7.A.amazement B.excitement C.sadness D.satisfaction 8.A.time B.turn C.pla
15、ce D.order 9.A.flew B.spun C.rose D.looked 10.A.out B.in C.down D.off 11.A.slipped B.stopped C.stepped D.advanced 12.A.think B.cry C.move D.believe 13.A.Therefore B.However C.Otherwise D.Instead 14.A.loss B.pain C.relief D.hesitation 15.A.found B.dragged C.accustomed D.allowed 16.A.dry up B.wipe out
16、 C.burst into D.fight back 17.A.play B.deserve C.get D.finish 18.A.unexpected B.awkward C.common D.worst 19.A.go B.do C.lose D.say 【 精品教育资源文库 】 20.A.awoke B.enriched C.excited D.surprised 21.A.the music B.myself C.the teacher D.others 22.A.excuse B.fear C.benefit D.shame 23.A.shocking B.interesting
17、 C.rare D.terrible 24.A.spot B.road C.ground D.stage . 应用文写作 假定你是高三 (1)班班长李华，近期你校学生会将组织 “ 跳蚤市场爱心义卖 (flea market for charity)” 的活动，请代表你班给校学生会主席王越写一封邮件，申请参加本次活动，内容包括： 1.申请一个摊位 (booth)； 2.简要描述义卖的物品； 3.就善款的用途提出建议。 注意： 1.词数 80 左右； 2.可适当增加细节，以使行文连贯。 答案精析 . 【 精品教育资源文库 】 语篇解读 本文属于科技与发明类文章。主要介绍了通过在老鼠身上所做的实验
18、发现减少食物摄入有利于帮你活得更久。 1.A 细节理解题。根据第三段 “the mice with the diet restrictions were more energetic and suffered fewer diseases” 饮食受到限制的老鼠精力更充沛，患疾病的几率也更小。由此可知限制饮食的老鼠更健康，故选 A。 2.B 细节理解题。根据第四段中的 “Price explains that ribosomes are responsible for making important proteins in the cells.But with fewer calories，
19、they slow down.”可知核糖体在细胞中制造蛋白质的速度减慢了。故选 B。 3.C 推理判断题。根据第六段可知普赖斯把核糖体比作 是一辆非常复杂的汽车， 可知是通过比较解释的，故选 C。 4.C 主旨大意题。本文主要介绍了通过在老鼠身上所做的实验发现减少食物摄入有利于帮你活得更久。故选 C。 . 语篇解读 作者通过讲述自己第一次芭蕾舞演出的经历告诉我们，当我们尽了最大的努力时，即使跌倒了，也不是耻辱，而是骄傲。如果我们跌倒了再也不爬起来，我们就永远不会体验到飞翔的感觉。 5.B 演出还没有开始，巨大的幕布把作者藏在后面，与观众隔开。 cover 覆盖； hide 隐藏；protect
20、 保护； drive 驱赶，驾驶。故选 B 项。 6.A 此处描写作者紧张激动的心情：作者的心跳得很快，几乎要跳出胸膛。选项中只有 beat有表示心脏跳动的含义。故选 A 项。 7.B 由上句可知，作者非常激动、紧张，所以音乐响起时内心应该是激动的。 amazement惊异； excitement 兴奋，激动； sadness 悲伤； satisfaction 满意。故 B 项符合语境。 8.C 根据常识可知，作者是领舞，所以音乐响起后会站到舞台中央。 take ones time 不慌不忙； take ones turn 轮到某人； take ones place 某人就位； take on
21、es order为某人点餐。故选 C 项。 9.A 根据空前的 “pushed off the floor” 可知，这是作者在努力蹬离地面跃到空中。 fly飞翔，表现芭蕾舞的腾空动作，符合语境，故选 A 项。 spin 旋转； rise 升起； look 看。 10.C 上文提到跃到空中，再根据空后的 “preparing to jump again” 可知，此处是准备落地。故选 C 项。 11.A 根据后面的 “I fell ， facefirst.” 可推测，此处指作者摔倒了，可能的原因是脚下打滑了。 slip 打滑； stop 停止； step 踏步； advance 前进。故选 A 项。 【 精品教育资源文库 】 12.C 根据空后的 “wondering if I should go on” 可知，作者当时不知道是否应该继续表演，由此可以推测，作者当时摔倒后不能动弹 (move)。故选 C 项。 13.B 根据上文可知，作者不知道自己是否应该继续表演，然而十二年无数小时的训练使作者的肌肉本能地忽略了内心的犹豫，作者发现自己又站了起来。上下文之间是转折关系，故选 B 项。 14.D 根据上文中的 “wondering if I should go on” 以及空格后的
