題目列表(包括答案和解析)
After spending years searching for a planet with life, scientists may have found one. In September 2010, a team of US scientists discovered a planet called Gliese 581g. It has a surface temperature neither too hot nor too cold for liquid(液態(tài))water. Scientists think there is a chance that the planet could have life.
The planet Gliese 581g goes around a star called Gliese 581, which is about 20 light-years from Earth. That is about 194 trillion(萬億)kilometres -500 million times farther away from us than the moon.
A spacecraft traveling at a one-tenth of the speed of light would reach Gliese 581g within about 220 years. A human can’t live that long, but robotic explorers could make the job easier. However, our fastest spacec raft don’t come anywhere near that one-tenth light-speed mark.
At present, scientists don’t know what the surface might be like on Gliese 581g. What they know is that the planet is at the right distance from its star to have liquid water. It’s also at the right distance to have an atmosphere that could protect the water if it is on the surface.
Although spacecraft won’t be getting there anytime soon, one way to look for life on Gliese 581g is to turn our radio telescopes(望遠鏡)towards the planet and search for radiation(放射). By studying the radiation, scientists would find out about the chemicals(化學物質(zhì))around the planet and discover if Gliese 581g has an atmosphere. If it has one, studying the atmosphere would give us a good idea whether the planet has life or not. But it’ll probably be many years before we can do this properly.
People have been arguing about whether there is alien life on Gliese 581g. Any discussion about alien life is just guessing at this point, according to its discoverers.
【小題1】What did scientists find in September 2010?
A.A planet with water. | B.A planet similar to the earth. |
C.A planet without life. | D.A planet near the earth. |
A.is at the right distance from its star | B.moves around the earth |
C.is as far away from us as the moon | D.can be reached in about 220 years |
A.the possibility of living on Gliese 581g |
B.the kinds of chemicals around Gliese 581g |
C.the way of looking for life on Gliese 581g |
D.the aim of studying the radiation on Gliese 581g |
A.Gliese 581g, a Likely Living Planet | B.Gliese 581, a Likely Living Planet |
C.Gliese 581g and Its Star | D.Gliese 581g and Radiation |
Many people like to travel by plane , but I don't like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off and it is often late. You can't open the windows. You can't choose the food. Planes are fast, but they still take hours to go out of the airport and into the city.
I like traveling by train. I think trains are safe. Railway stations are usually in cities. When you are late for a train, you can catch another one. You can walk around in the train and open the windows. You can see many interesting things on your way. I know it takes a little more time. I also like cars. You can start your journey when you want to, and you don't need to get to a railway station or a bus stop. also you can carry many things with you in a car. But sometimes there are too many cars on the road.
【小題1】Why do many people like to travel by plane?
A.Because it is fast. |
B.Because it is often late. |
C.Because an airport is far from the city . |
D.Because they can open the window. |
A.It is safe. |
B.It takes a little more time. |
C.You can open the windows. |
D.You can walk around in the train. |
A.A bus. | B.A car. | C.A train. | D.A bike. |
A.You needn't go to a station. |
B.You can start your journey when you want to. |
C.There are too many cars on the road. |
D.You needn't go to a bus station. |
A.He likes to take A plan , the train and the car. |
B.He doesn’t like to take a plane because it's fast. |
C.He likes to take a car because he has a car. |
D.He likes to take a train although it takes a little more time. |
Many people love going on a trip by plane , but an airport is usually far from the city . You have to arrive there and wait for hours for the plane to take off and it is often late . You can't open the window .You can't choose the food .Planes are fast ,but it takes hours to get out of the airport and into the city .
I like travelling by train .I think trains are safe . Train stations are usually in cities . when you are late for a train , you can catch another one . You can walk around in the train and open the windows . You can see many interesing things on your way . I know it takes a little more time .
I also like cars . You can start your trip when you want to . and you don't need to get to a station . You can carry many things with you too . But sometimes there are many cars on the road .
【小題1】Many people like travelling by plane because ___.
A.it is slow | B.you can open the window |
C.it is fast | D.the airport is fay from the city |
A.達到 | B.起飛 | C.降落 | D.脫掉 |
A.a(chǎn) bus | B.a(chǎn) train | C.a(chǎn) plane | D.a(chǎn) car |
A.You needn't go to the station . | B.You can start your trip when you want to . |
C.There are too many cars on the road . | D.You can see many interesting things . |
A.He likes taking a plane because it takes a lot of time to go to the city . |
B.He likes taking a train because train stations are usually in cities . |
C.He likes taking a bus because he can drive it . |
D.He likes taking a plane because it is fast . |
Do you enjoy reading? Here readers of your age from all over the United States recommend great books for you to read:
My favorite book is Don’t Die, My Love by Lurlene McDaniel. I love all her books, but this was the first one I read and I have to say, it is by far my favorite. It doesn’t end like other books, and I cried while reading.
I think Nancy Drew is great! Nancy is a detective who has many fantastic ideas! I love it because it’s a book from when my grandma was my age, and I can share the fun with her!
I highly recommend Skinny Bones by Barbara Park. It is funny, so please add it on your book list. You don’t want to miss out funny stories!
I would suggest by Judy Blume. It is based on(基于)real things that happened to Judy Blume. It is about a girl, Alice, who meets some girls at a new state. They become friends, make a club and meet once a week. They stop after two weeks because they all like a boy in their class and put him as number one. I think every girl should read this because it is about our growing up.
I read a book called Neela: Victory Song and it was so good I read it twice! It takes place in India(印度)in 1936 and this 12-year-old girl named Neela tries to save her father! It has lots of history in it! I also learned a lot about different cultures(文化)! The author(作者)’s name is Chitra Banerjee Divakaruni.
【小題1】According to the reader, Skinny Bones can be described as a story.
A.sad | B.history | C.funny | D.detective |
A.Skinny Bones | B.Nancy Drew |
C.Don’t Die, My Love | D.Neela: Victory Song |
A.a(chǎn) writer | B.a(chǎn) doctor |
C.a(chǎn) detective | D.a(chǎn) student |
A.3 | B.4 | C.5 | D.2 |
A.My Secret` | B.Growing Trouble |
C.Three Friends | D.Alice Learns a Lesson |
A.A planet with water. | B.A planet similar to the earth. |
C.A planet without life. | D.A planet near the earth. |
A.is at the right distance from its star | B.moves around the earth |
C.is as far away from us as the moon | D.can be reached in about 220 years |
A.the possibility of living on Gliese 581g |
B.the kinds of chemicals around Gliese 581g |
C.the way of looking for life on Gliese 581g |
D.the aim of studying the radiation on Gliese 581g |
A.Gliese 581g, a Likely Living Planet | B.Gliese 581, a Likely Living Planet |
C.Gliese 581g and Its Star | D.Gliese 581g and Radiation |
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