-
. The pair of sunglasses ________ made of plastic.
A. is B. are C. Be
九年级英语单项填空中等难度题查看答案及解析
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Alice wants to buy a pair of sunglasses to protect herself________ the sun.
A. for B. under C. with D. against
九年级英语单项填空中等难度题查看答案及解析
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--Do you know ________the man with a pair of sunglasses is?
--An actor, I think.
A．who B．how C．what D．whom
九年级英语单项填空中等难度题查看答案及解析
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What are the birds made of?
A.Plastic. B.Wood. C.Paper.
九年级英语听短对话回答问题中等难度题查看答案及解析
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A flying disk(飞碟)is made of plastic(塑料).It was back in the 1950s.A group of college students came into a restaurant to eat some apple pies.After eating the apple pies,they felt bored,so they wanted to play a game.They threw the plates here and there.In this way,the flying disk came into being.
A camera is used for taking photos.It was invented in 1827 by Joseph in Italy.It's often used by the photographers to take pictures.There are many fascinating pictures to be taken in order to help you to remember the beautiful views.
An umbrella is a most useful tool.It was invented over 4,000 years ago.It was invented in China and Egypt.It's used for keeping the rain out.When the sun is shining in the sky,an umbrella is also used to keep the sun out.It is still used today.
A bike is a very useful tool in the world today.It is very cheap to travel on your bike.Taking a trip by bike is pleasant,because you can enjoy the beautiful sunshine in autumn and you can share the cool fresh air in summer.Riding a bike is good for the environment.
1.The flying disk is used for .
A. taking photos
B. playing a game
C. keeping the rain out
2.The first camera was invented by .
A. an Italian B. a Chinese C. a college student
3.Taking a trip by bike is pleasant because .
A. it is very fast
B. you can get close to nature
C. it can keep the sun out
4.The invention“ ”has the longest history of the three.
A. a flying disk
B. a camera
C. an umbrella
5.Which of the following is TRUE?
A. The camera was made in the 1950s.
B. The flying disk was invented by Joseph.
C. The umbrella was invented in China and Egypt.
九年级英语阅读单选困难题查看答案及解析
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A flying disk(飞碟)is made of plastic(塑料).It was back in the 1950s.A group of college students came into a restaurant to eat some apple pies.After eating the apple pies,they felt bored,so they wanted to play a game.They threw the plates here and there.In this way,the flying disk came into being.
A camera is used for taking photos.It was invented in 1827 by Joseph in Italy.It's often used by the photographers to take pictures.There are many fascinating pictures to be taken in order to help you to remember the beautiful views.
An umbrella is a most useful tool.It was invented over 4,000 years ago.It was invented in China and Egypt.It's used for keeping the rain out.When the sun is shining in the sky,an umbrella is also used to keep the sun out.It is still used today.
A bike is a very useful tool in the world today.It is very cheap to travel on your bike.Taking a trip by bike is pleasant,because you can enjoy the beautiful sunshine in autumn and you can share the cool fresh air in summer.Riding a bike is good for the environment.
1.The flying disk is used for .
A. taking photos
B. playing a game
C. keeping the rain out
2.The first camera was invented by .
A. an Italian B. a Chinese C. a college student
3.Taking a trip by bike is pleasant because .
A. it is very fast
B. you can get close to nature
C. it can keep the sun out
4.The invention“ ”has the longest history of the three.
A. a flying disk
B. a camera
C. an umbrella
5.Which of the following is TRUE?
A. The camera was made in the 1950s.
B. The flying disk was invented by Joseph.
C. The umbrella was invented in China and Egypt.
九年级英语阅读单选困难题查看答案及解析
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“This pair of sunglasses just don’t suit you.” a friend of mine told me recently.
She wasn’t trying to _________ me. Instead, she was trying to be nice to me. She really wanted to give me _________ was the best for me. This kind of honesty is rare（稀有的）nowadays. And it’s getting rarer and rarer.
We live in a（n）_________ when technology is changing our interpersonal communications. We are forgetting how to be _________ with each other.
We see our friend wearing an awful coat, but comfort her it’s _________. When we are with friends, we not only avoid being honest with our friends but also avoid being honest with _________. For example, we don’t want to talk about diffculties that we’re facing, _________ they are scary and make us weak. We keep smiling and make ourselves look nice. And then when things fall apart, our friends feel _________, because they didn’t see it coming. As a matter of fact, we didn’t let them see it coming.
Honesty is difficult. But _________ it, you can’t get along well with others. So let’s start now. Tell your friend directly, “No, the coat isn’t the best. __________ you should consider something else.” Try to be a little more real on social media（社交媒体）, for you and everyone else.
1.A.encourage B.laugh C.cheat D.suggest
2.A.what B.which C.who D.when
3.A.family B.life C.moment D.age
4.A.careful B.truthful C.patient D.popular
5.A.terrible B.fine C.expensive D.cheap
6.A.they B.my C.him D.ourselves
7.A.because B.unless C.though D.after
8.A.tired B.shocked C.moved D.relaxed
9.A.without B.including C.besides D.under
10.A.However B.Otherwise C.Perhaps D.Mostly
九年级英语完型填空中等难度题查看答案及解析
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Scientists in Britain and the United States have made a new kind of enzyme(酵素) that eats plastics(塑 料). With its help, plastics can be turned into smaller parts and go away quickly. Scientists believe that, in the future, it could solve the problem of plastic pollution.
The enzyme is able to break down PET, a form of plastic. PET was first made in the 1940s and is now widely used to make plastic bottles. It can remain in the environment for many years and pollute large areas of land and water. So it has always been a headache to deal with the waste from PET and other plastics.
The researchers made the discovery(发 现) while examining the structure of a natural enzyme in Japan. They found that the natural enzyme was helping to break down PET plastics. So, they decided to make small changes to the enzyme by adding some amino acids(氨 基 酸). It made the natural enzyme’s plastic-eating abilities work faster and better.
John McGeehan, one of the lead researchers, said, “We’ve made an improved enzyme. It’s better than the natural one. And we are trying to make more improvements to it.” He went on, “The enzyme is not harmful to humans or animals, and it is friendly to the environment. So we are considering putting it into wider use.”
The team is now trying to make the enzyme break down PET in large quantities(大量
). “We’ll see that the plastic pollution may be stopped with this technology. However, there is still a long way to go,” John McGeehan added.1.Which is not true about the advantage of enzyme?
A.It’s able to make plastics become smaller parts.
B.It can solve the problem of the plastic pollution right now.
C.It’s used to make the plastics disappear in a rapid way.
2.The underlined phrase “break down” in the passage probably means “________” in Chinese.
A.实验 B.生产 C.分解
3.Which isn't the change they made to the natural enzyme?
A.Some amino acids were put in it.
B.The speed of plastic-eating has been improved.
C.The quality of plastic -eating remained the same.
4.Which of the following is TRUE according to the passage?
A.The scientists are still trying to improve the enzyme.
B.The enzyme will pollute large areas of land and water.
C.The natural enzyme woks better than the improved one.
5.We can’t infer from the study that________.
A.The team is able to increase the speed of the plastic -eating abilities
B.Efforts are made to increase the number of PET that the enzyme breaks down
C.Few efforts are required to the improvement of this new enzyme
九年级英语阅读单选困难题查看答案及解析
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Scientists in Britain and the United States have made a new kind of enzyme(酵素) that eats plastics(塑 料). With its help, plastics can be turned into smaller parts and go away quickly. Scientists believe that, in the future, it could solve the problem of plastic pollution.
The enzyme is able to break down PET, a form of plastic. PET was first made in the 1940s and is now widely used to make plastic bottles. It can remain in the environment for many years and pollute large areas of land and water. So it has always been a headache to deal with the waste from PET and other plastics.
The researchers made the discovery(发 现) while examining the structure of a natural enzyme in Japan. They found that the natural enzyme was helping to break down PET plastics. So, they decided to make small changes to the enzyme by adding some amino acids(氨 基 酸). It made the natural enzyme’s plastic-eating abilities work faster and better.
John McGeehan, one of the lead researchers, said, “We’ve made an improved enzyme. It’s better than the naturl one. And we are trying to make more improvements to it.” He went on, “The enzyme is not harmful to humans or animals,and it is friendly to the environment. So we are considering putting it into wider use.”
The team is now trying to make the enzyme break down PET in large quantities(大量的). “We’ll see that the plastic pollution may be stopped with this technology. However,there is still a long way to go,”John McGeehan added.
1.According to the scientists, the enzyme may solve the poblem of pollution.
A. air B. water C. light D. plastic
2.The underlined phrase “break down” in the passage probably means “ ” in Chinese.
A. 实验 B. 生产 C. 发明 D. 分解
3.Researchers discovered that a natural enzyme helped eat plastics .
A. in B. in the US C. in Japan D. in China
4.Which of the following is TRUE according to the passage?
A. The scientists are sill trying to improve the enzyme.
B. The enzyme will pollute large areas of land and water.
C. The natural enzyme woks better than the improved one.
D. The natural enzyme is harmful to humans and animals.
九年级英语阅读单选中等难度题查看答案及解析
-
Scientists in Britain and the United States have made a new kind of enzyme(酵素) that eats plastics(塑 料). With its help, plastics can be turned into smaller parts and go away quickly. Scientists believe that, in the future, it could solve the problem of plastic pollution.
The enzyme is able to break down PET, a form of plastic. PET was first made in the 1940s and is now widely used to make plastic bottles. It can remain in the environment for many years and pollute large areas of land and water. So it has always been a headache to deal with the waste from PET and other plastics.
The researchers made the discovery(发 现) while examining the structure of a natural enzyme in Japan. They found that the natural enzyme was helping to break down PET plastics. So, they decided to make small changes to the enzyme by adding some amino acids(氨 基 酸). It made the natural enzyme’s plastic-eating abilities work faster and better.
John McGeehan, one of the lead researchers, said, “We’ve made an improved enzyme. It’s better than the naturl one. And we are trying to make more improvements to it.” He went on, “The enzyme is not harmful to humans or animals,and it is friendly to the environment. So we are considering putting it into wider use.”
The team is now trying to make the enzyme break down PET in large quantities(大量的). “We’ll see that the plastic pollution may be stopped with this technology. However,there is still a long way to go,”John McGeehan added.
1.According to the scientists, the enzyme may solve the poblem of pollution.
A. air B. water C. light D. plastic
2.The underlined phrase “break down” in the passage probably means “ ” in Chinese.
A. 实验 B. 生产 C. 发明 D. 分解
3.Researchers discovered that a natural enzyme helped eat plastics .
A. in B. in the US C. in Japan D. in China
4.Which of the following is TRUE according to the passage?
A. The scientists are sill trying to improve the enzyme.
B. The enzyme will pollute large areas of land and water.
C. The natural enzyme woks better than the improved one.
D. The natural enzyme is harmful to humans and animals.
九年级英语阅读单选中等难度题查看答案及解析
). “We’ll see that the plastic pollution may be stopped with this technology. However, there is still a long way to go,” John McGeehan added.