1、【 精品教育资源文库 】 Unit 3 Inventors and inventions 高考试卷分块专练 练 一 语言知识运用保分练 篇完形 1篇语法填空，限时 25分钟 . 完形填空 Resealable (可密封的 ) plastic bags sometimes called by a brand name, such as Ziploc are those little clear plastic bags you use to keep your sandwiches and chips fresh. They usually have some sort of sealing
2、mechanism, like a plastic zipper, which allows you to seal the bag to keep _1_ out. Keeping air away from _2_ allows them to stay fresh longer. Bacteria and other organisms in the air will _3_ food items over time if allowed to come into _4_ with them. Sealed plastic bags keep these organisms _5_ ge
3、tting to your food. Resealable plastic bags can be used for more than just _6_ sandwiches, chips and snacks to school for lunch. Theyre also used to keep leftovers _7_ in the refrigerator. Many people also use them to _8_ food in the freezer for use in the future. The _9_ of the resealable plastic b
4、ag started out in 1951 at a company named Flexigrip, Inc. Flexigrip _10_ a plastic zipper from patents which was bought from _11_ Borge Madsen. These zippers were _12_ used as parts of binders and briefcases. Over time, _13_， plastic zipper bags were developed. Eventually, in 1968, Dow Chemical Comp
5、any _14_ to market its Ziploc brand of resealable plastic bags to grocery stores. They turned out to be very _15_. Today, these types of bags are _16_ in many different sizes and styles, from snack and sandwich bags to craft and freezer bags. You can also buy bags with expandable bottoms that _17_ o
6、n their own. Some bags even allow you to _18_ food in the microwave! However, now many people try to use _19_ plastic because of its effect on the environment. So manufacturers of resealable plastic bags have taken _20_ to become more environmentally friendly. 语篇解读：本文主要介绍了可密封塑料袋的用途及发展史。同时指出，为了减少污染，这
7、种塑料袋的生产厂家也采取措施以使他们的产品更加环保。 【 精品教育资源文库 】 1 A.air B water C dust D fog 解析：选 A 由第二段开头的 “Keeping air away” 可知，此处指把空气阻挡在外面。 2 A.plants B containers C bags D foods 解析：选 D 根据下文中的 “Bacteria and other organisms in the air will _3_ food items over time” 可知，此处指让空气和食物隔离，以便食物保鲜的时间长些，故选foods。 3 A.bring in B take
8、 out C break down D deal with 解析：选 C 空气中细菌和其他微生物会分解食物导致食物变质。 break down 意为 “ 分解 ” 。 4 A.relation B contact C connection D contract 解析：选 B 如果细菌和其他 微生物与食物接触，食物将会很快变质。 contact 意为 “ 接触 ” ； relation 意为 “ 关系 ” ； connection 意为 “ 连接 ” ； contract 意为 “ 合同 ” 。 5 A.from B against C through D beyond 解析：选 A keep
9、. from .为固定搭配，意为 “ 阻止 ?” 。 6 A.following B presenting C supplying D transporting 解析：选 D 下文中的 “to school for lunch” 说明，此处指携带食物 到学校。 7 A.wet B fresh C thin D hard 解析：选 B 根据句中的 “in the refrigerator” 及生活常识可知，它们也被用来保持剩余的食物新鲜。 8 A.store B cook C share D produce 解析：选 A 本段主要介绍可密封塑料袋能用来保存食物，因此这里指储存食物。 9 A.re
10、sult B humour C history D success 解析：选 C 根据下文中的 “started out in 1951 at a company named Flexigrip, Inc”可知，此处提到这种可密封塑料袋的历史。 【 精品教育资源文库 】 10 A.discovered B developed C spread D approved 解析：选 B 此处表示买了专利以后，研发了塑料拉链。 11 A.writer B teacher C doctor D inventor 解析：选 D 句中 patents 说明，博尔格 马森是一位发明家。 12 A.eventu
11、ally B frequently C originally D naturally 解析：选 C 根 据下文中的 “Over time, _ 13_， plastic zipper bags were developed.” 可知，此处谈的是塑料拉链袋的最初情况，故选 originally。 eventually 意为 “ 终于 ” 。 13 A.however B besides C therefore D otherwise 解析：选 A 最初，塑料拉链袋的用途很少，后来它得到了发展。此处表示转折。 14 A.agreed B began C promised D preferred 解
12、析：选 B 最后，陶氏化学公 司开始将塑料拉链袋投入市场。 15 A.necessary B famous C funny D popular 解析：选 D 文章介绍了这种塑料袋的发展。它也很受欢迎。 16 A.precious B expensive C available D fashionable 解析：选 C 根据 “in many different sizes and styles, from snack and sandwich bags to craft and freezer bags” 可知，这些袋子有很多不同的尺寸 和样式，在很多地方可以使用。 17 A.move B s
13、tand C float D remain 解析：选 B 根据句中的 “bags with expandable bottoms” 可知，袋子底部可伸展，因此它能竖起来。 18 A.heat B taste C find D purchase 解析：选 A 根据 “in the microwave” 可知，把食物放入微波炉中，为的是给食物加热。 【 精品教育资源文库 】 19 A.more B smaller C larger D less 解析：选 D 根据 “because o f its effect on the environment” 可知，人们现在尽量少使用塑料袋。 20 A.
14、chances B steps C photos D orders 解析：选 B 他们已经采取措施以使他们的产品更加环保。 take steps 意为 “ 采取措施 ” 。 . 语法填空 Since 2012, Suy Senglim, a Cambodian (柬埔寨的 ) man, has used his love of photography for a good cause: protecting wildlife. As more and more animal species began to disappear, he grew worried.So he created a
15、photo project, _1_ will bring more attention to the loss of natural habitat in Cambodia. Suy Senglim _2_ (careful) documents each species he photographs. He records the common name of each creature, its scientific name and identifying qualities, and whether or not the species is endangered. He hopes
16、 _3_ (educate) Cambodians about the importance of bird species and the effect that _4_ (develop) has on nature. The Giant Ibis is Cambodias national bird.It _5_ (consider) endangered now, with its population decreasing every year.His photography work has shown him how lack _6_ education and law enfo
17、rcement makes the problem worse. “Hunting is at the root of Cam bodian culture， ” he said.But he notes that centuries ago, there were _7_ (many) animals and fewer people.Therefore, educating Cambodians about the need for saving wildlife resources _8_ (be) very important. Suy Senglim is working on a
18、book on 100 bird species from among the 400 species he has photographed.He hopes to publish _9_ book in early 2018.He also looks forward to _10_ (influence) the new generation of naturelovers in high schools and colleges. 语篇解读：一位柬埔寨摄影爱好者试图通过摄影出书的方式唤醒本国人保护野生动物的意识。 1 which 先行词为 “a photo project” ，后面定语
19、从句缺乏主语，所以用 which 引导。 【 精品教育资源文库 】 2 carefully 此处为副词修饰动词作状语。 3 to educate hope to do sth.“ 希望做某事 ” 。 4 development 空格处以及后面的部分是先行词 effect 的定语从句，而从句中又缺少主语，所以用 develop 的名词形式 development。 5 is considered 主语 it 与 consider 之间存在被动关系，时态为一般现在时，主语为单数第三人称形式，所以用 is considered。 6 of lack 作名词时，有词组 (the) lack of s
20、th.表示缺乏某物。 7 more 根据前后语境，尤其是 “and fewer people” 可知这里需要用 many 的比较级形式，强调过去和现在情况的对比。 8 is 此处所述是一般情况，动名词短语作主语，后面动词用单数形式。 9 the 前一句已经提到了这本书，此处为第二次提到，故用定冠词 the，表示特指。 10 influencing look forward to 意为 “ 盼望 ” ， to 为介词，用动词 ing 形式。 练 二 主观题强化增分练 篇语法填空 1篇短改 1篇写作，限时 45分钟 . 语法填空 As a famous productive poet, Lu Yo
21、u from the Song Dynasty wrote more than 20,000 poems in his lifetime. The reason _1_ Lu You could write so much poetry was that he was talented, but more _2_ (important), he also lived a long life. According to historical records, he lived to be 85 years old, the _3_ (long) living poet in the Song Dynasty. However, Lu You was weak when he was a child. Lu You joined the military as _4_
