精选2019年高中新创新一轮复习英语人教版：选修8 Unit 3 高考试卷分块专练

1、.选修8 Unit 3 高考试卷分块专练.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 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

2、 keep these organisms _5_ getting 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 bag 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 a

3、s parts of binders and briefcases.Over time, _13_， plastic zipper bags were developed. Eventually, in 1968, Dow Chemical Company _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_ on their own. Some bags even allow you to _18_ food in the microwave!However,

4、 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。1A.airBwaterCdust Dfog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。2A.plants BcontainersCbags Dfoods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。3A.bring in Btake outCbreak down Dd

5、eal 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”。4A.relation BcontactCconnection Dcontract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”。5A.from BagainstCthrough Dbeyond解析：选Akeep . from .为固定搭配，意为“阻止”。6A.following BpresentingCsupplying Dtransporting解析：选D下文中的“to school for lunch”说明，此处指携带食物到学校。7A.wet BfreshCthin Dhard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。8A.store BcookCshare Dproduce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。9A.result Bhumour

6、Chistory Dsuccess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。10A.discovered BdevelopedCspread Dapproved解析：选B此处表示买了专利以后，研发了塑料拉链。11A.writer BteacherCdoctor Dinventor解析：选D句中patents说明，博尔格马森是一位发明家。12A.eventually BfrequentlyCoriginally Dnaturally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”。13A.however BbesidesCtherefore Dotherwise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。14A.agreed BbeganCpromised Dp

7、referred解析：选B最后，陶氏化学公司开始将塑料拉链袋投入市场。15A.necessary BfamousCfunny Dpopular解析：选D文章介绍了这种塑料袋的发展。它也很受欢迎。16A.precious BexpensiveCavailable Dfashionable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。17A.move BstandCfloat Dremain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。18A.heat BtasteCfind Dpurchase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。19A.more BsmallerClarger Dless解析：选D根据“because of its effect on t

8、he environment”可知，人们现在尽量少使用塑料袋。20A.chances BstepsCphotos Dorders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 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

9、each creature, its scientific name and identifying qualities, and whether or not the species is endangered.He hopes _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 enforcement makes the problem worse.“Hunting is at the root of Cambodian culture，” he said.But he notes that centuries ago, there were _7_ (many) animals and fewer people.Therefore, educating Cambodians ab

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