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________ the heavy rain, we didn’t go for picnic last weekend.

A. In search of B. Because of

C. Instead of D. Ever since

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Would it surprise you to learn that, like animals, trees communicate with each other and pass on their wealth to the next generation?

UBC Professor Simard explains how trees are much more complex than most of us ever imagined. Although Charles Darwin thought that trees are competing for survival of the fittest, Simard shows just how wrong he was. In fact, the opposite is true: trees survive through their co-operation and support, passing around necessary nutrition “depending on who needs it”.

Nitrogen(氮) and carbon are shared through miles of underground fungi(真菌)networks, making sure that all trees in the forest ecological system give and receive just the right amount to keep them all healthy. This hidden system works in a very similar way to the networks of neurons(神经元)in our brains, and when one tree is destroyed, it affects all.

Simard talks about “mother trees”, usually the largest and oldest plants on which all other trees depend. She explains how dying trees pass on the wealth to the next generation, transporting important minerals to young trees so they may continue to grow. When humans cut down “mother trees” with no awareness of these highly complex “tree societies” or the networks on which they feed, we are reducing the chances of survival for the entire forest.

“We didn't take any notice of it.” Simard says sadly . “Dying trees move nutrition into the young trees before dying, but we never give them a chance.” If we could put across the message to the forestry industry, we could make a huge difference towards our environmental protection efforts for the future.

1.What would be the best title for the passage?

A. Old Trees Communicate Like Humans

B. Young Trees Are In Need Of Protection

C. Trees Are More Complex Than You Think

D. Trees Contribute To Our Society

2.In Simard's opinion, trees _______ .

A. depend on each other

B. protect their own wealth

C. compete for survival

D. provide support for dying trees

3.We can learn from the passage that

A. “mother trees” are usually of no use to other trees.

B. Charles Darwin had the same thought as Simard.

C. people know much about the complex “tree societies”.

D. if “mother trees” are cut down, the survival for the entire forest will be affected.

4.The underlined word “it” in the last paragraph refers to .

A. how trees grow old

B. how “tree societies” work

C. how forestry industry develops

D. how young trees survive

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Most kids hate to see their summer end, perhaps none more than the Murset children. This summer, the Murset family decided to travel across the country to help families in need, which proved to be a wonderful experience.

People. comreported that Gregg Murset and his wife, Kami, decided to take their six children, ranging from 7 to 16 years old, from their home in Phoenix, Arizona, across the country to spend 20 days on the road to help 25 families in need. “I told the kids and my wife over breakfast that I wanted to do this,” Gregg Murset, 40, told People. com. “They all looked at me like I was crazy,” he said, “but when we started to read the stories of people we were going to help, their attitudes completely changed.”

Through Gregg’s company, he was able to be matched with groups such as Autism Speaks, the Leukemia & Lymphoma Society, and others that connected the Mursets to families with children who have cancer and other serious illnesses.

“When you have a kid who is struggling, the last thing you’re thinking of is cleaning the house,” says Gregg.

The family traveled to many cities in their journey, including Albuquerque, Denver, Kansas City, Chicago, and Buffalo. The trip covered 6,500 miles. “It’s been amazing to watch my own children open their eyes and see that the world is bigger than they think,” he said. “Even the little kids are learning from this experience.”

And the families they’ve helped feel blessed to have met them. “They showed up at 8 a.m. and we had a list of things we needed help with,” said Jim Spencer, a 61-year-old father in Warren, Michigan, whose 12-year-old daughter, Lexi, was diagnosed(诊断) with cancer a couple of years ago.

The Mursets also used their travels as an opportunity to visit areas they had never been to, including the Statue of Liberty. But for Gregg, the main purpose of the trip was to teach his children to show concern for the happiness of other people rather than for themselves.

“There is nothing wrong with your kid getting off the sofa, doing some work and sweating,” said Gregg. “It’s good for the kid and it’s good for the soul.”

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B. They visited patients in hospital.

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B. gain more geography knowledge

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I BABYSIT ONLY AT MY HOME.

I accept children from all ages.Fee starts from $100-$150 a week depending on the hours.

I am very flexible and my fee can change.Feel free to contact me via email or on my cell phone 566-67-1873 and we can work something out.

Part-time Chinese Babysitter Wanted

Part-time Chinese speaking babysitter needed to assist with one-year-old twins and to perform some light house work as needed. Assistance needed Fridays and occasional weekends.Please provide your salary expectation.College students are welcome to apply.

Reply to:comm-encbq-2652113885 @craigslist.org

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B. A kind woman

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C. his boss landed the plane too late

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A.following flying requirements.

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C.listening to what fellow doctors say

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A.CRM:A New Way to Make Flying Safe

B.Flying Makes Me a Better Doctor

C.The Making of a Good Pilot

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—Ron, I congratulate you on your success.

—Thanks, but the honor _____ to all the people here.

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