题目列表(包括答案和解析)
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What would happen if you tried to blow a soap bubble in freezing weather? Would it freeze solid(固体) and fall to the ground? Would you have to hit it to break it? These questions happened to me on a cold winter day. It was too cold to play in the snow, but it was a perfect time to experiment with blowing frozen bubbles.
To blow frozen bubbles, I used dishwashing soap and a drop of glycerin(甘油) to make it even better. I chose a place out of the wind, and blew bubbles the same way I always do. I watched to see what would happen. Here’s what I learned.
If the temperature is low enough, the skin of the bubbles frosts over (结霜), becoming cloudy instead of clear. And what about those rainbow swirls(旋转) you see in soap bubbles? The rainbow colors stay even when the bubbles frost, but they don’t swirl anymore. The bubbles still stay in the air. They don’t fall to the ground any faster than they would on a warm summer day.
When these frozen bubbles break, they don’t turn into small water drops as summer bubbles do. They turn into flashing rainbow confetti(碎屑) and move slowly to the ground. Sometimes a frozen bubble will roll across the snow without breaking. If nothing disturbs the bubble, it may stay there for a long time. Sometimes I could catch a bubble and hold it until the heat of my hand made it pop.
I learned another thing about blowing frozen bubbles. It’s so interesting that I want to try it again next year.
【小题1】It is the perfect time to blow frozen bubbles on a ___________day.
| A.cold winter | B.warm spring | C.hot summer | D.sunny autumn |
| A.they make a big sound | B.they turn into small drops |
| C.they fall to the ground like rain | D.they become rainbow confetti |
| A.to learn how to do a science experiment |
| B.to show the experiment of blowing frozen bubbles |
| C.to discover games that are fun to play in the snow |
| D.to invent a new kind of soap that makes stronger bubbles |
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What would happen if you tried to blow a soap bubble in freezing weather? Would it freeze solid(固体) and fall to the ground? Would you have to hit it to break it? These questions happened to me on a cold winter day. It was too cold to play in the snow, but it was a perfect time to experiment with blowing frozen bubbles.
To blow frozen bubbles, I used dishwashing soap and a drop of glycerin(甘油) to make it even better. I chose a place out of the wind, and blew bubbles the same way I always do. I watched to see what would happen. Here’s what I learned.
If the temperature is low enough, the skin of the bubbles frosts over (结霜), becoming cloudy instead of clear. And what about those rainbow swirls(旋转) you see in soap bubbles? The rainbow colors stay even when the bubbles frost, but they don’t swirl anymore. The bubbles still stay in the air. They don’t fall to the ground any faster than they would on a warm summer day.
When these frozen bubbles break, they don’t turn into small water drops as summer bubbles do. They turn into flashing rainbow confetti(碎屑) and move slowly to the ground. Sometimes a frozen bubble will roll across the snow without breaking. If nothing disturbs the bubble, it may stay there for a long time. Sometimes I could catch a bubble and hold it until the heat of my hand made it pop.
I learned another thing about blowing frozen bubbles. It’s so interesting that I want to try it again next year.
1.It is the perfect time to blow frozen bubbles on a ___________day.
A.cold winter B.warm spring C.hot summer D.sunny autumn
2.When the frozen bubbles break, _________.
A.they make a big sound B.they turn into small drops
C.they fall to the ground like rain D.they become rainbow confetti
3.The purpose of the passage is _______.
A.to learn how to do a science experiment
B.to show the experiment of blowing frozen bubbles
C.to discover games that are fun to play in the snow
D.to invent a new kind of soap that makes stronger bubbles
| A.cold winter | B.warm spring | C.hot summer | D.sunny autumn |
| A.they make a big sound | B.they turn into small drops |
| C.they fall to the ground like rain | D.they become rainbow confetti |
| A.to learn how to do a science experiment |
| B.to show the experiment of blowing frozen bubbles |
| C.to discover games that are fun to play in the snow |
| D.to invent a new kind of soap that makes stronger bubbles |
What will you do if you have six million dollars? Different people give different answers.
David? I will buy an island if I have six million dollars. Then I will be the king of the island. I will invite my friends to my island and we’ll have a good time there.
Cathy? If I get six million dollars, I want to start my own business and I will do a lot of things for my family. For me, nothing is more important than my family. I will buy a new house for my parents and take them to travel around the world.
Julie?? If I have six million dollars, I will put five million in the bank and spend one million. I will visit Sydney, Toronto, Moscow and other interesting cities. I want to try different kinds of delicious food, and build a house with a swimming pool.
Victor? If I have six million dollars, I will use the money to do everything I like. I will use two million to open my own shop. And I will give another four million to schools and charities. I would like to help students in poor areas to get good education. I want everyone to live a happy life.
1.David will invite his friends to ________.
A. his new house ????????????? ????????????? ????????????? ????????????? ????????????? B. his island
C. his country????????????? ????????????? ????????????? ??????????? D. his factory
2. _________ will take his (her) parents to travel around the world.
A. Victor????????????? ????????????? ????????????? B. Julie? ????????????? ??? C. David ????????????? ????????????? ????????????? D. Cathy??
3.Julie will spend _________ million dollars traveling and doing other thing.
A. one????????????? ????????????? ????????????? B. two ????????????? ??????? C. three ????????????? ????????????? ????????????? ????????????? D. four
4.Victor will spend two million dollars _________.
A. enjoying delicious food????????????? ????????????? ????????????? B. helping poor students
C. opening a shop????????????? ????????????? ????????????? ????????????? ?? D. building a house
5.Which of the following is NOT true according to this passage?
A. Victor hopes everyone can live a happy life.????????????? ????????????? ????????????? ????????????? ????????????? ?????????????
B. Julie doesn’t like traveling.
C. Cathy loves her family very much.????????????? ????????????? ????????????? ????????????? ?????????????
D. David gets on well with his friends.
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