Have you e 1 planted a few trees on Tree Planting Day?

Each year, many of people, both old a 2 __ young, plant a lot of trees. But this may not be the best w 3 __to make your home a greener place. Last week, we v 4 __ a park in Hebei. We were s 5 __ to find most of the trees had been burnt. The workers told us that the trees d 6 _ soon after they were planted because they were not watered well enough. So the workers burnt them and changed the trees for new trees to be planted this year. On a card found in one of the trees, a student w 7 _ . “I hope this tree will g 8____up with me to become the backbone(栋梁) of our country.” The workers said that the survival of the trees was really more important t 9__ how many trees were planted.

Some people in Beijing now have a new idea that they can donate some m 10 and let professionals plant and take care of trees.

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Long, long ago, there was an island where all the feelings lived: Happiness, Sadness, Knowledge and all of the others, including Love.

One day it was announced to the feelings that the island would sink, so all built boats and left, e   1.     Love.

Love was the only one who stayed. Love wanted to hold out until the last possible moment.

When the i   2.    had almost sunk, Love decided to ask for help.

Richness was passing by in a large boat. Love said, “Richness, can you take me with you?”

Richness a__3.____, “No, I can’t. There is a lot of gold and silver in my boat. There is no r   4.   for you.”

Love decided to ask Vanity who was also p  5.    by in a beautiful boat. “Vanity, please help me!”

“I can’t help you, Love. You are all wet and might break my boat,” Vanity replied.

Sadness was close by, so Love asked, “Sadness, let me go with you.”

“Oh…Love, I am so sad that I need to be by m   6.   !”

Happiness passed by. But she was so happy t   7.    she did not even hear when Love called her.

Suddenly, there was a voice, “Come, Love, I will take you.”

It was an elder. Because of being too excited, Love even forgot to ask the elder where they were going. When they a   8.    at dry land, the elder went her own way. Realizing how much was owed the elder, Love asked Knowledge, another elder, “Who helped me?”

“It was T   9.   ,” Knowledge answered.

“Time?” asked Love, “But why did Time help me?”

Knowledge smiled with deep wisdom and answered, “Because only Time is able to understand how v   10.    Love is.”

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When the Great Library of Alexandria burned，the story goes that one book was saved．But nobody thought it was a v__1__ book．A poor man，who could read a little，bought it for a few coins．

The book wasn't very interesting．but between its pages there was something very interesting i__2__．It was a thin strip of vellum（羊皮纸）on which as written the secret of the “Touchstone”!

The touchstone was a small pebble（卵石）that could t__3__ any common metal into pure gold．The writing e__4__ that it was lying among thousands of other pebbles that looked exactly like it．But the secret was that the real stone would feel w__5__，while ordinary pebbles were cold．

So the man camped on the seashore and began testing pebbles．He knew that if he picked up ordinary pebbles and threw them down again b__6__ they were cold，he might pick up the same pebble hundreds of t__7__．So，when he felt one that was cold，he threw it into the sea．He spent a whole day doing this but none of them was the touchstone．Y_8__ he went on and on this way．

One day，however，about mid-afternoon，he picked up a pebble and it was warm．He threw it into the sea b__9_ he realized what he had done．He had formed such a strong habit of throwing each pebble into the sea that when the one he wanted came along，he still threw it away．

So it is with opportunity（机会）．U__10__ we are careful，it's easy to fail to recognize an opportunity when it is in hand．