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1.Be good at__________________________________

2.bad _________________________________

3.there be__________________________________

4.keep, tidy__________________________________

5.when, knock at __________________________________

1.Jane is good at swimming. 2.It’s bad to read in the sun./Reading in the sun is bad for your eyes. 3.There are some/ many books on the shelf/shelves. 4.We should/had better keep our classroo...
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A vegetarian diet is often praised for its health benefits. Vegetarians usually have lower levels of heart disease, and studies have also shown that they have a lower risk of diabetes(糖尿病)than people who eat meat. However, most people don't realize that a vegetarian diet produces less pollution to the earth.

Researchers from the Union of Concerned Scientists in the US recently studied how people affect the environment. The study showed that eating meat is one of the main ways that humans can change the environment, second only to the use of motor vehicle.

Then, how can eating meat have a negative effect on the environment? For a start, all farm animals such as cows, pigs, and sheep give off methane gas(沼气)by breathing. One cow can produce up to 60 liters of methane each day. Methane gas is the second most common greenhouse gas after carbon dioxide. Many environmental experts now believe that it is more responsible for global warming than carbon dioxide. It is estimated that 25% of all methane released into the air comes from farm animals.

Another way that meat production affects the environment is through the use of water and land. 2,500 gallons of water are needed to produce one pound of beef while only 20 gallons of water are needed to produce one pound of wheat. One acre of farmland used for crop production can produce 40,000 pounds of potatoes, 30,000 pounds of carrots, or 50,000 pounds of tomatoes, however, one acre of farmland used for raising cows can produce just 250 pounds of beef.

Many people now see the benefits of a vegetarian diet, not just for health reasons, but also because it plays an important role in protecting the environment. However, some nutritionists advise against switching to a totally strict vegetarian, or vegan diet. They believe a vegan diet, which excludes(拒绝) all products from animal sources, such as cheese, eggs, and milk, can be short of many necessary vitamins and minerals our bodies need.

Today, many people know that it is important to take better care of their bodies, and to use the earth's resources more efficiently. As this understanding spreads, more people may realize that to help the environment and for the human race to survive, more of us will need to become vegetarian.

1.The underlined word "vegetarian" in the first paragraph most probably means " ".

A. a person who eats healthy food

B. a person who eats meat and vegetables

C. a person who only eats meat, fish and seafood

D. a person who only eats vegetables,grains, and fruit

2.It's for a vegetarian to have diabetes than a person who eats meat.

A. more possible B. less possible

C. highly possible D. impossible

3.Which of the statement is TRUE according to the article?

A. Doctors suggest switching to totally vegetarian diets.

B. It takes more water and land to produce a kilo of crops.

C. Farm animals give off methane gas and pollute the environment.

D. Carbon dioxide is more responsible for global warming than methane gas.

4.The underlined word "it" in Paragraph 5 refers to " ".

A. a vegetarian diet B. animal source

C. necessary vitamin D. health reason

5.The main idea of the article is that .

A. our diet is destroying the surroundings

B. raising farm animals affects the environment

C. a vegetarian diet helps to protect the environment

D. more and more people are becoming strict vegetarians

1.D 2.B 3.C 4.A 5.C 【解析】本篇文章难度适中,主要讲述食肉对环境的坏处以及素食的好处,同时科学家还建议我们也要适当吃点肉来补充人体必需的物质。 1.词义猜测题。根据Vegetarians usually have lower levels of heart disease, and studies have also shown that t...

An old farmer lived on a farm with his young grandson. Each morning Grandpa was up early to read. One day the grandson asked, "Grandpa! What good does reading do?"

The Grandfather quietly turned from putting coal in the stove and replied, "Take this coal basket to the river and bring me back a basket of water."

The boy did as he was told, but all the water leaked out (漏出) before he got back to the house. The grandfather laughed and said, "You"ll have to move a little faster next time," This time the boy ran faster, but again the same took place. it was an impossible task.

The old man said, " You’re just not trying hard enough," So the boy tried a third time and failed. he said, "See Grandpa, it"s useless!"

"So you think it is useless?" The old man said, "Look at the basket."

The boy looked at the basket and for the first time realized that the basket was different. It had been transformed from a dirty old coal basket into a clean one inside and outside.

"You might not understand or remember everything, but when you read it, you will be changed, inside and out. "

1..What did Grandpa always do every morning?

A. He read books B. he carried water

C. he put coal in the stove D. he taught his grandson.

2.How did Grandpa reply to his grandson’s question?

A. telling him to read books B. having a discussion with him

C. telling him an interesting story D. asking him to carry water with a basket

3.How many times did the boy try to carry water with the basket?

A. Once B. Twice C. Three times D. Four times

4.The basket became ____ in the end

A. Dirty B. old C. clean D. new

5.What would the grandson probably do in the future?

A. To clean the basket B. To do more reading

C. To carry water with a basket D. To remember everything in his life.

1.A 2.D 3.C 4.C 5.B 【解析】文章讲述了爷爷让孙子用一个脏的煤篮子打水,每次都不成功,但是篮子里外都干净了,通过这个事情,爷爷告诉孙子一个读书的道理,当你读书的时候,里外都会改变。 1.根据. Each morning Grandpa was up early to read. 每天从早晨爷爷早起读书;故选A 2.根据The Grandf...

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Mom's Recipe for Life

I have a lot of Mom's recipes in a blue box where all my special ones were put,like the

pumpkin pie she made during my growing up years. Even so,the recipe I treasure most is not on any index card, nor did she send it to me in a letter. Instead,she lived this recipe all of her life.

My mother grew up in a small coal mining town in southwest Iowa. My grandfather once told me that she knew no stranger;she considered everyone in that community her friend. That attitude

continued wherever she lived for the rest of her life.

As a teen,I was embarrassed(尴尬的 )every time my mother talked to strangers and offered a smile to everyone in the store or on the city bus. Almost all of them responded(回 应 )with a bright smile of their own. Some spoke,others nodded their heads at this elderly woman who brought a little light into their day.

What really sold me on Mom's approach to life was her experience on the senior bus. The weeks I could not be there, she used this low cost transportation to the grocery store. After her first trip, I asked her how it went.

“ Ha!”she said,“ I got on that bus and what did I see?Thirteen little old ladies and one old

man,and not one word was spoken.”

I wondered how long it would be until the silence on that bus would change. On my next visit,Mom mentioned the 13 little old ladies on the bus and something one of them had told her.

“ Oh,are you talking with them now?”I asked.

“ Of course,”she said. “ One day I climbed up the steps of the bus and before I looked for a

seat,I gave them a big smile and I said,‘ Isn't it a wonderful day? I noticed a few shy smiles.”

Mom didn't give up. She greeted them all each time she got on the bus and before long,the

whole group was laughing and talking to one another. The bus became more than just transportation.

When we went to the various stores,I watched as she smiled and chatted with perfect strangers. Some of them looked like the poorest person you'd ever met,but once Mom smiled at them and started a conversation, most responded favorably. My mother didn't embarrass me any longer. I found myself admiring her.

She's been gone for ten years but I've carried on her recipe for life. It was me who had done the

smiling first and all those people had responded. My mother didn't lecture but taught me by example. She'd given me a recipe for life.

1.Where did the writer's mom grow up?

2.Did the people talk on the bus on Mom's first trip?

3.What did Mom do to make the bus more than transportation?

4.How did the writer feel about Mom in the end?

5.What is Mom's recipe for life?

1.In a small coal mining town in southwest Iowa. 2.No,they didn't. 3.She greeted them all each time she got on the bus. 4.Proud. 5.The attitude of considering everyone her friend. 【解析】试...

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