1 . 阅读下面短文，根据所给情节进行续写，使之构成一个完整的短文。

A Little Boy

A little boy selling magazines for school walked up to a house that people rarely visited. The house was very old and shabby and the owner hardly ever came out. When he did come out, he would not say hello to his neighbors or passers-by but simply just glared at them.

The boy knocked on the door and waited, sweating from fear of the old man. The boy’s parents told him to stay away from the house, and a lot of other neighborhood children were told the same thing from their parents.

Dusk found the boy lingering on and hesitating what to do. As he was ready to walk away, the door slowly opened. “What do you want?” the old man said impatiently. The little boy was very afraid but he had a quota (定额) to meet for school with selling the magazines. So he got up the courage and said, “Uh, Sir, I am selling these magazines and, uh, I was wondering if you would like to buy one from me.”

The old man just stared at the boy without a word. The boy could see inside the old man’s house and saw that he had dog figurines (小雕像) on the fireplace mantle. “Do you collect dogs?” The little boy asked. “Yes, I have many collections in my house. They are my family here and they are all I have.” The boy then felt sorry for the man, as it seemed that he was a very lonely soul.

“Well, I do have a magazine here for collectors. It is perfect for you. I also have one about dogs since you like dogs so much.” The old man was ready to close the door on the boy and said, “No, boy. I don’t need any magazines of any kind, now goodbye.”

The little boy was sad that he was not going to make his quota with the sale. He was also sad for the old man being so alone in the house that he owned. The boy went home and then had an idea. He had a little dog figurine that he got some years ago from an aunt. The figurine did not mean nearly as much to him since he had a real live dog and a large family.

注意:
1. 续写词数应为150左右；
2. 请按如下格式作答。

The little boy headed back down to the old man’s house.

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From that day on something changed inside the old man.

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2 . He lent money, made donations and encouraged others to do      .

A．sidewise

B．clockwise

C．otherwise

D．likewise

3 . A blue hole is a special kind of underwater cave found inland or in the sea, which forms when the earth above a cave falls in and water fills the space.

An inland blue hole’s water is very still and has different layers. A layer of fresh rainwater floats on top of salt water; the fresh water keeps oxygen from the atmosphere from reaching the salt water; brightly colored bacteria live where the two layers meet.

Diving into blue holes is very dangerous. Near the top of the blue hole, there is a layer of toxic gas, which causes itching, headache, and—in large amounts—death. Divers must also be fast. They have to get in and out of a cave before their oxygen runs out. Additionally, divers have to follow a guideline as they swim through a blue hole because it is very dark inside. Without the guideline, they may get lost.

If blue holes are so dangerous, why do explorers and scientists risk their lives to explore them? The reason is that these underwater caves can provide valuable scientific information. They provide clues about geology, archaeology, and biology. For example, some blue hole creatures probably haven’t changed for millions of years.

The blue holes could even provide clues about astrobiology. For example, divers have found bacteria there that can live without oxygen. Astrobiologist Kevin Hand says the bacteria may be similar to forms of life that might exist on Jupiter’s fourth largest moon, Europa. “Our study of life’s extremes on Earth,” he says, can help increase “our understanding of habitable environments off Earth.”

In addition, the oxygen-free environment of the blue holes preserves bones of humans and animals that fell into the caves long ago. By studying blue holes, we can understand what life was like in prehistoric times. As cave diver Kenny Broad says, “I can think of no other environment on Earth that is so challenging to explore and gives us back so much scientifically.”

1. What’s the main idea of Paragraph 1?

A．The definition of a blue hole.	B．The location of a blue hole.
C．The formation of a blue hole.	D．The structure of a blue hole.

2. Where can bright-colored bacteria be found?

A．In the saltwater layer.

B．In the freshwater layer.

C．In between the freshwater and saltwater layers.

D．In both of the freshwater and saltwater layers.

3. Which of the following best explains the underlined word?

A．The study of life on Earth.

B．The study of life in the universe.

C．The study of life in prehistoric times.

D．The study of life in oxygen-free environment.

4. Which of the following can best describe blue holes?

A．They’re oxygen-free and lifeless.	B．They’re free of air and light.
C．They’re death zones and mysterious.	D．They’re poisonous and dark.

5 . It was the second time that his bike         .

A．was stolen

B．have been stolen

C．had stolen

D．had been stolen

7 . A meeting         when I opened the door, so I apologized for my interruption.

A．was being held

B．was holding

C．is being held

D．had been hold