China has input several billion yuan of money to stop the dirty water waste on the upper and middle area of the Pearl River from polluting the lower reaches of the river, especially the Macao Spe­cial Administrative Region.
The Guangxi Zhuang Autonomous Region in the upper and middle reaches of the Pearl River has been rapidly urbanized(城市化)and industrialized in recent years, leading to a rise in the amount of urban rubbish to the damage of the land, rivers and atmosphere.
Refuse dumps and special plants in most cities treat rubbish to make it harmless, with 5,800 tons of wastes being burnt, buried or made into fertilizers on a daily basis.
He Suping, a woman engineer with the water re­sources department in Guangxi said, it is imperative for the autonomous region to treat sewage wastes to protect the area’s Karst terrain(喀斯特地形)and rain water which brings contact between groundwater and surface water, making groundwater more easily polluted.
The Xijiang River, a branch of the Pearl River which runs from Guangxi to neighboring Guangdong Province, provides fresh water for a number of river­side cities such as Macao, Zhuhai, Zhongshan and Zhaoqing, so Guangxi must begin to treat rubbish quickly to protect the water sources, said Liu Chen, a senior engineer with the Ministry of Water Resources.
The government 2001—2006 plan to spend bil­lions of yuan to turn wastes harmless has been mainly provided by national debt payments and overseas in­vestment.So far wastes treatment projects have re­ceived a total of 400 million yuan(48 million US dol­lars)from national debts and 60 million yuan(7.22 million US dollars)from overseas loans(贷款).
【小题1】The main idea of the passage is __     

A.A large number of waterways have been polluted in China up to now.
B.Guangxi and Guangdong have taken the lead in making water clean.
C.China's rivers are badly in need of improve­ment.
D.China is making efforts to reduce pollution of the rivers.
【小题2】The main idea of the last paragraph is __
A.The government has no ability to afford the expenses of treating wastes.
B.The government has a long-term plan to treat wastes.
C.National debt payments and overseas investment are taking an important part in developing China's economy.
D.A great deal of money is needed in dealing with wastes.
【小题3】The basic reason why the amount of urban rubbish rises in Guangxi lies in _____.
A.the improvement of people’s living standard
B.people’s wasting too much
C.urbanization and industrialization
D.too many tourists’ coming
【小题4】The word “imperative” here probably means _______.
A.unnecessaryB.importantC.easyD.unbelievable

NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences. Violence and traffic accidents can leave people with terrible physical and emotional scars. Often they relive experiences in nightmares.

Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce, or possibly wipe out the effect of painful memories.

In November, experts tested a drug on people in the US and France. The drug stops the body releasing chemicals that fix memories in the brain, So far the research has suggested that only the emotional effects of memories may be reduced, not that the memories are wiped out. They are not sure to what degree people's memories are affected.

The research has caused a great deal of argument. Some think it is a bad idea, while others support it.

Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They say that there are many people who suffer from terrible memories.

“Some memories can ruin people's lives. They come back to you when you don't want to have them in a daydream or nightmare. They usually come with very painful emotions,” said Roger Pitman, a professor of psychiatry at Harvard Medical School.“This could relieve a lot of that suffering.”

But those who are against the research say that maybe the pills can change people's memories and changing memories is very dangerous because memories give us our identity. They also help us all avoid the mistakes of the past.

“All of us can think of bad events in our lives that were terrible at the time but make us who we are. I'm not sure we want to wipe those memories out,” said Rebecca Dresser ,a medical ethicist.

1.The passage is mainly about       .

A.a new medical invention

B.a new research on the pill

C.a way of wiping out painful memories

D.an argument about the research on the pill

2.We can infer from the passage that       .

A.experts are not sure about the effects of the pills.

B.the pill will certainly stop people's emotional memories

C.taking the pill will do harm to people's physical health

D.the pill has already been produced and used by the public in America

3.Which of the following does Rebecca Dresser agree with in the last paragraph?

A.some memories can ruin people's lives.

B.people want to get rid of bad memories.

C.experiencing bad events makes us different from others.

D.the pill will reduce people's sufferings from bad memories.

4.You may probably read the passage in     

A.a guidebook

B.a textbook

C.a medical magazine

D.a science fiction

 

One day, Miss Ellis gave her pupils a new kind of homework: homework on happiness. Her pupils would be “happiness    1   ”, and were to see what would happen when they tried to bring happiness to those around them. As part of their homework, all the students did really    2   , wonderful things, but what Carla Chalmers did left everyone    3   . Several days after the homework had been handed out, Carla turned up carrying a big bag.

“Here in this bag I have all the happiness I’ve collected so far,” she said    4   . On seeing this, everyone was filled with    5   , but Carla didn’t want to show anyone what was in the bag. Instead, she pulled out a small box and gave it to her teacher. When Miss Ellis had taken the box, Carla took a(n)    6    camera out of her own pocket and stood with it at the ready.

“Open it, Miss Ellis.”

The teacher slowly opened the box and looked inside. A big smile    7    on her face, and at that moment Carla took a photo, Carla’s photo came out of the camera immediately, and she    8     

it to Miss Ellis along with a sheet of paper. The teacher read the paper in silence, and when she, had finished, she gestured at the    9   .

“Oh, so it’s…”

“Yes!”    10    Carla, opening the bag. “It’s a great big pile of smiles!”

She opened the bag and photos of different    11    fell out.

The rest of the class tried to    12    how Carla had managed to create such a great big chain of happiness. All there in the box was a photo of a big smile. But everyone who had seen it felt happiness being transmitted(传送)to them, and in return, without    13   , every person    14    with a  smile of their own.

She managed to    15    understanding of the smile truth that every time you smile you are sending a gift to the world.

1.A. explorers      B. instructors      C. players      D. collectors

2.A. regretful          B. delightful       C. stressful        D. thankful

3.A. surprised      B. satisfied        C. annoyed      D. depressed

4.A. disappointedly B. sadly            C. amazedly     D. smilingly

5.A. astonishment       B. kindness         C. expectation  D. pride

6.A. expensive      B. old–fashioned   C. instant       D. good-looking

7. A. disappeared       B. froze           C. faded         D. shone

8. A. offered           B. sold             C. packed       D. paid

9.A. box               B. bag               C. camera       D. pocket

10.A. added         B. questioned       C. replied      D. interrupted

11.A. smiles            B. teachers         C. ceremonies   D. friends

12.A. try out           B. focus on             C. decide on        D. figure out

13.A. imagination       B. expression       C. hesitation   D. reason

14.A. responded         B. refused          C. demanded D. proved

15.A. hide          B. correct          C. appreciate   D. spread

 

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