1、第六天单句语法填空1、They gave us_warm welcome when we arrived at the factory.2、Imade 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. Itsw
2、ritten,_(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-about s
3、unshine 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 plants, an
4、d 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 vegetables and
5、 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. They are also said to help the
6、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 expla
7、ins “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 also ca
8、lled 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 trip
9、 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 fr
10、om a renewable source, break 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 plastic b
11、ag 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 recycling,
12、 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 governme
13、nts 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 d
14、ont 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 as
15、k 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.need more water to produceB.require less energy to recycleC.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
