语法填空,阅读下面短文，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Styrofoam is a plastic with a bad reputation.
It cannot be recycled without releasing(释放) dangerous (pollute)into the air. The U. S. Environmental Protection Agency
(say) it is the fifth largest creator of dangerous waste.
Scientists from the U.S. and China have discovered that mealworms can digest plastic. One mealworm can digest a pill-sized amount of plastic a day.
Study co-author Wei-Min Wu says that in 24 hours, the plastic (turn) into carbon dioxide.
Are the worms hurt by (eat)plastic? The study found that worms eating Styrofoam were as
(health)as worms eating bran(糠).
Styrofoam is a light-weight material, about 95 percent air, with very good insulation properties(绝缘性), according to Earthsource.org. It is used in products from (cup) that keep your drinks hot or cold to packaging material
protects items during shipping.
“Solving problem of plastic pollution is important. Landfill space is becoming limited.”says Wu, a Stanford University environmental engineering instructor.
About 33-million tons of plastic are thrown away in the United States every year. Plastic plates, cups and containers take 25 percent to 30 percent of space in America's landfills. One Styrofoam cup takes more than 1 million years
(recycle) in a landfill, according to Cleveland State University.
Alice： You seem to be absorbed(全神贯注) in the magazine, David.
David： It is the New scientist, __________ (deliver) to me this morning. Honestly speaking, I am fascinated(着迷的) by the magazine.
Alice： Are there articles or stories about the latest__________ (science) breakthrough?
David: Sure. I am reading an article______________ (introduce) a new invention --- the “flying car”.
Alice: That sounds interesting. Can you explain to me ____ the “flying car” works?
David: Yes. The car has four wheels and two wings that can be folded. So it can _________ be driven on the road or flown at a speed of 110 miles per hour, just like a plane. When the roads are crowded,
_____ is often the case now, you can fly it and easily reach your destination. Besides, it uses electricity instead of petrol, so it’s
________________ (environment) friendly
Alice: Sounds great! This kind of car will make our lives ________ (easy) and more comfortable. By the way, is the “flying car” on the market yet? Can I buy
___ now?
David: I’m afraid not. The car ____________ (try) out at present and it still needs to be improved.
Alice： I bet it is very expensive.
David： It does cost a lot of money, but scientists are working hard to bring down the price.
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
In the late 19th century, Europe changed a great deal from a mostly agricultural society to a mostly____ one. Many people moved from the countryside to the new cities. There were many new inventions and _
__(society) changes. Naturally, these changes also __
__(lead) to new painting styles. Among the painters
____(break )away from the traditional style of painting___
__ the Impressionists, who lived and worked in Paris.
The Impressionists were the first painters to work outdoors. They were eager to show how light and shadow fell___ objects at different times of day. __
__, because natural light changes so quickly, the Impressionists had to paint quickly. Their paintings were not as_
___ (detail)as those of earlier painters. At first, many people disliked this style of painting and became very __
___(anger) about it. They said that the painters were__
__(care) and their paintings were ridiculous.
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题纸相应位置上。
Were you the first or the last child in your family? Or were you a middle or an only child? Some people think matters where you were born in your family. But there are different ideas about what birth order means. Some people say that oldest children,
are smart and strong-willed, are very likely
(succeed). The reason
this is simple. Parents have a lot of time for their first child and give him or her a lot of attention. An only child will succeed for
same reason.
What happens to the children in the family? Middle children don’t get so much attention, so they don’t feel that important. If a family has many children, the middle one sometimes gets lost in the crowd. The youngest child,
, often gets special treatment. Often this child grows up to be funny. But a recent study saw things quite
(difference). The study found that first children believed in family rules. They didn’t take many chances in
lives. They usually
(follow) orders. Rules didn’t mean as much to later children in the family. They took chances and they often did better in life.
阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Crying marriage? (surprise), isn't it? Actually, the custom of crying marriage existed a long time ago in many areas of Southwest China's Sichuan Province, and
(remain) in fashion
the end of the Qing Dynasty. Though not so popular as before, still, the custom
(observe) by people in many places, especially Tujia people, who view it as a
(necessary) to marriage procedure.
It is very much same in different places of the province. According to elderly people, every bride had to cry at the wedding.
.the bride's neighbors would look down upon
as a poorly cultivated girl and she would become the laughingstock of the village. In fact, there were cases in
the bride was beaten by her mother for not crying at the wedding ceremony.
In a word, crying at wedding is a way by custom to set off the happiness of the wedding through falsely sorrowful words. However, in the (arrange) marriages of the old days of China, there were indeed quite a lot of brides who cried over their unsatisfactory marriage and even their miserable life.
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Questioning can lead to ________(search) for an answer. If we are in the habit of raising doubts as to ___
_____ what we are told is true, we can find the correct answer and learn more.
Two years ago, our teacher _________(offer) us an answer to a difficult math problem in class. Although the answer seemed a little strange, nobody ____
___ I doubted it. Thinking that his answer might be wrong, I _____
____(careful) analyzed the problem and tries to work __
_ out in a different way. Half an hour ___
_____, I managed to find the correct answer. When I showed my answer to him, the teacher praised me for my ___
_____(depend) thinking.
From this experience, I have learned that questioning can serve as _______ bridge that helps us to seek the ___
___(true).
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