2018_2019学年高二英语寒假作业第六天.doc
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1、1第六天单句语法填空1、They gave us_ warm welcome when we arrived at the factory.2、I made a call to my parents yesterday. To my disappointment,_ of them answered it.3、He gave all his_(history) papers to the library.4、As a student, you should put a dictionary where it is _(easy) accessible.5、The novel is a_ one
2、. Its written,_(wonderful)阅读理解6、 Anyone with a passing interest in their health will be able to rattle_off a few of the major vitamins, and possibly take an educated guess at what they do. Vitamin C, found in oranges and other fruit and vegetables, is important for wound repair. And the much-talked-
3、about sunshine Vitamin D, produced by the skin in response to UV light, is essential for strong bones.But Vitamin P? It might well have you scratching your head. And thats not surprising: the term was first coined in the 1930s to describe a small group of compounds that provide pigment(天然色素) to plan
4、ts, and were believed to have health benefits. Fast-forward almost a century and these compounds are now better known as flavonoids.Today, scientists have identified between 4,000 and 6,000 different kinds and we now know they are responsible for many of the flavors and smells of fruit and vegetable
5、s and also that they protect them from invaders such as pests and bacteria.They are equally important nutrients for the body, helping maintain bones and teeth, and for the production of the protein collagen(胶原), which provides structure to blood vessels, muscles and skin.2They are also said to help
6、the body deal with some of the key drivers of illness, including oxidation(氧化), a natural process by which the bodys cells age and can become damaged and defective(有缺陷的). That means they could help to protect against chronic diseases including cancer and heart disease.1.Which of the following best e
7、xplains “rattle off” underlined in Paragraph 1?A.Quickly say.B.Quickly pass.C.Quickly find.D.Quickly take.2.What do we know about Vitamin P?A.We would scratch our head if we took it.B.It was made into a coin in the 1930s.C.People didnt think it beneficial in the past.D.It refers to the compounds als
8、o called flavonoids.3.How many functions of Vitamin P for humans are mentioned?A.Four.B.Three.C.Two.D.One.4.How does Vitamin P help slow the aging process?A.By dealing with oxidation.B.By maintaining bones.C.By strengthening muscle.D.By protecting against chronic diseases.7、 There was a time when a
9、trip to the supermarket in the United States often ended with a seemingly simple question from the cashier: “Paper or plastic?” Well, which type of bag would you choose?While all types of bags have some influence on the environment, it has long been supposed that paper bags are kinder. They are made
10、 from a renewable source, 3break down easily, burn without giving off thick smoke and can be recycled. However, the producing process behind paper bags uses more energy than that of plastic ones. How can this be true?Studies show that paper bag production requires four times as much energy as plasti
11、c bag production. And the amount of water used to make them is twenty times higher. Besides, the influence on forests is very serious. It takes about fourteen million trees to produce ten billion paper bags, which happens to be the number of bags used in the United States yearly. In terms of recycli
12、ng, the idea that paper bags are more environment-friendly than plastic ones can be quickly discarded. Research shows it requires about 98% less energy to recycle plastic than it does paper.Even though paper bags might be more harmful than plastic ones, plastic still seems to be considered by govern
13、ments as the more harmful of the two. In Ireland, for example, a tax has been introduced to discourage the use of plastic bags. People have to pay 22 cents for every plastic bag, and as a result, their use has dropped quickly.Theres no doubt that it makes more sense to reuse these bags. However, we
14、dont seem to be doing that at present. That may be because they fall apart quickly. If so, cloth bags are a better choice, but still, their production also has a bad influence on the environment. So what to do? How should we answer the question of “Paper or plastic?” It seems that we first need to a
15、sk ourselves one more general question: “What can I do to help the environment?”1.The questions in Paragraph 1 are used to _.A.express the authors doubtsB.tell readers how to save moneyC.introduce points for discussionD.show the kindness of the cashier2.Compared with plastic bags, paper bags _.A.nee
16、d more water to produceB.require less energy to recycle4C.take more time to break downD.have less influence on forests3.The underlined word “discarded” in Paragraph 3 probably means “_”.A.sharedB.given upC.discussedD.put forward4.Which question does the author probably hope the cashier will ask?A.Pa
17、per or cloth?B.Paper or plastic?C.A small bag or big one?D.A new bag or your own one?8、 Compassion (同情) is a desire within us to help others. With effort, we can translate compassion into action.An experience last weekend showed me this is true.I work part-time in a supermarket across from a buildin
18、g for the elderly. These old people are our main customers, and its not hard to lose patience over their slowness. But last Sunday, one aged gentleman appeared to teach me a valuable lesson. This untidy man walked up to my register (收款机) with a box of biscuits. He said he was out of cash, had just m
19、oved into his room, and had nothing in his cupboards. He asked if we could let him have the food on trust. He promised to repay me the next day.I couldnt help staring at him. I wondered what kind of person he had been ten or twenty years before, and what he would be like if fortune had gone his way.
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- 2018 _2019 年高 英语 寒假 作业 第六 DOC
