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With the __________ (develop)of industry, air pollution is getting more and more serious. In Beijing, many people suffer different kinds of illnesses because _________ air pollution. Air pollution is caused by the following_________: about half of the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off _________( poison) gases. 25% of air pollution is caused by factories. Another factor is the smokers. Smoking not only does harm to their health ________ to others._________ these, about 10% of air pollution is caused by other reasons. We should take some measures to fight _________ pollution. New fuel can be used to take _________ place of gas. We can plant more trees. If everybody realizes the ________(important)of environment and does something to stop pollution, the problem will__________(solve).

科目 英语   题型 填空题   难度 中等
知识点: 语法填空
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相关试题

The small town of Rjukan in Norway is situated between several mountains and does not get direct sunlight from late September to mid﹣March﹣(1)   six months out of the year.

"Of course, we (2)   it when the sun is shining," says Karin Ro, who works for the town's tourism office. "We see the sky is(3)    , but down in the valley it's darker ﹣ it's like on a (4)   day."

But that(5)    when a system of high﹣tech(6)   was introduced to reflect sunlight from neighboring peaks(山峰)into the valley below. Wednesday, residents(居民)of Rjukan (7)   their very first ray of winter sunshine: A row of reflective boards on a nearby mountainside were put to(8)   . The mirrors are controlled by a computer that (9)    them to turn along with the sun throughout the (10)   and to close during windy weather. They reflect a concentrated beam(束)of light onto the town's central(11)   , creating an area of sunlight roughly 600 square meters. When the light (12)   , Rjukan residents gathered together.

"People have been (13)   there and standing there and taking(14)   of each other," Ro says. "The town square was totally(15)    . I think almost all the people in the town were there. "The 3,500 residents cannot all (16)   the sunshine at the same time. (17)    , the new light feels like more than enough for the town's(18)   residents.

"It's not very (19)   ," she says, "but it is enough when we are (20)   ."

(1)A. only

B. obviously

C. nearly

D. precisely

(2)A. fear

B. believe

C. hear

D. notice

(3)A. empty

B. blue

C. high

D. wide

(4)A. cloudy

B. normal

C. different

D. warm

(5)A. helped

B. changed

C. happened

D. mattered

(6)A. computers

B. telescopes

C. mirrors

D. cameras

(7)A. remembered

B. forecasted

C. received

D. imagined

(8)A. repair

B. risk

C. rest

D. use

(9)A. forbids

B. directs

C. predicts

D. follows

(10)A. day

B. night

C. month

D. year

(11)A. library

B. hall

C. square

D. street

(12)A. appeared

B. returned

C. faded

D. stopped

(13)A. driving

B. hiding

C. camping

D. sitting

(14)A. pictures

B. notes

C. care

D. hold

(15)A. new

B. full

C. flat

D. silent

(16)A. block

B. avoid

C. enjoy

D. store

(17)A. Instead

B. However

C. Gradually

D. Similarly

(18)A. nature﹣loving

B. energy﹣saving

C. weather﹣beaten

D. sun﹣starved

(19)A. big

B. clear

C. cold

D. easy

(20)A. trying

B. waiting

C. watching

D. sharing

The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88°,there is evidence(1)    they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been(2)    (poor) studied; however, biologists calculate that there are about 20,000﹣25,000 polar bears worldwide.

Modern methods(3)     tracking polar bear populations have been employed only since the mid﹣1980s,and are expensive(4)     (perform) consistently over a large area. In recent years some Inuit people in Nunayut(5)     (report) increases in bear sightings around human settlements, leading to a(6)     (believe) that populations are increasing. Scientists have responded by (7)     (note) that hungry bears may be congregating(聚集) around human settlements, leading to the illusion(错觉) that populations are(8)     (high) than they actually are. Of(9)     nineteen recognized polar bear subpopulations, three are declining, six(10)     (be) stable, one is increasing, and nine lack enough data.

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。
Festivals and celebrations of all kinds (hold) everywhere since ancient times.Most ancient festivals would celebrate the end of cold weather,(plant) in spring and harvest in autumn.At that time people would starve if food was difficult to find, especially during the cold winter months.
Today's festivals have many origins, some( religion) , some seasonal, and some for special people or events.Some festivals are held to honor the dead or to satisfy the ancestors, who might return either to help or to do harm.For example, the Japanese festival Obon is honored in(memorize) of their ancestors.People then should go to clean graves, light lamps and play musicthey think that this will lead the ancestors back to earth.In Mexico, people celebrate the Day of the Dead in early November.this important feast day, people eat food in shape of skulls and cakes with "bones" on them.They offer food, flowers and gifts to the deaD. The Western holiday Halloween also had origin in old beliefs about the return of the spirits of dead people.It is now a children's festival, they can dress up and go to their neighbors' homes to ask for sweets.The Dragon Boat Festival in China honors the famous ancient poet, Qu Yuan.India has a national festival on October 2 to honor Mohandas Gandhi, the leader who helped gain India's(depend) from Britain.

Dear Tom,
How are you doing? You (ask) me in your last letter about my plan for the coming summer vacation.
I am sorry that I didn’t reply delay.How I wish I (read) and reply your email as soon as I received it., I was busy preparing for my final exam at that time,is vital for me.As a result, I had no choice but(focus) on my study completely.I believe that if you(be) me, you would make the same choice。
By the way, I have a busy schedule for my summer vacation.First and foremost, I would do a part time job, so that my interpersonal skills(improve).Additionally, I will take a short trip to Beijing to take a summer course in the New Oriental School.Last but not(little), maybe I will work as a volunteer for the school as a teaching assistant.
These are my plan for the summer vacation.What’s yours? I am lookingto your earliest reply.

Directions:After reading the passages below, fill in the blanks to make the passages coherent and grammatically correct.For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.
The Koran
Most religions have some kind of holy text on which the religious beliefs are based.For Christians this text is the Holy Bible; for Jews it is the Torah and for Muslims it is the Koran.
Muslims believe that the Koran(consist) of revelations from God to Muhammad during the years 610 to 632 when Muhammad died.These revelations were written down by those were close to him during this time and for several years after his death.They were gathered into the text (know) as the Koran during the years 630 to 650.
The interpretation of the Koran has always been a difficult task, even for Islamic scholars.For example, the meanings of some words are determined by dots above the vowels(元音).In ancient Arabic, however, very often these dots (omit).As a result some letters looked identical.Thus, the meanings of these words depended in many cases the memories of the men who had written them.Early Muslims had to try to get the exact meanings of the words these people died and it was too late.
Unlike the Bible, in which the events are provided in time order, there is no reference tothings occurred in the Koran.In any case, unlike the Bible, most the suras - sections - are composed of orders and warnings.Unlike in the Bible, there are very few stories in the Koran.
Muslims believe that by (recite) the book, they create a holy atmosphere, and there are many Muslims who have learned the Koran by heart.

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