Dolphins live their whole lives in water.But they are not fish.They are mammals （哺乳動物） that live in water.That's why a dolphin comes to the top of the water so often.It has to breathe air.A dolphin's nose isn't easy to be seen.It's just a small hole on top of its head.The hole is called a blowhole （噴水孔）.
A dolphin comes up every half minute or so to breathe.It opens its blowhole and take in air.Then it closes its blowhole and dives under the water again.But a dolphin can stay under the water for six or seven minutes if it has to.It can hold its breath.
A dolphin listens with two ears.It can hear all kinds of noises under water.It can hear small stones rolling.It can hear the sound that fish and other dolphins make.A dolphin's ears may be small，but its mouth is big.It has to be big.It holds almost one hundred teeth.These teeth are all the same shape and size.They are used for catching food，but not for chewing.A dolphin opens its big mouth and seizes a fish firmly between its two rows of teeth.Then it swallows the whole fish.
A dolphin swims very fast.It is said that a dolphin swims faster than anything else in the water.So men are trying to study their skin and shape.They are learning ways to make boats go faster through the water.Most people believe that dolphins are very clever.Some scientists say they are cleverer than dogs.But dolphins are not all alike.Some are shy.Some like to show off.Some are clever.Some are a little slow to learn.Some are very friendly.Some like to be left alone.
（1）Do dolphins live on land most of the time？ No.No.
（2）Why does a dolphin come to the top of water？ Because it comes to the top of water to breathe air.Because it comes to the top of water to breathe air.
（3）How long can a dolphin stay under the water？ For six or seven minutes.For six or seven minutes.
（4）What are the dolphin's teeth used for？ They are used for catching food.They are used for catching food.
（5）What do you think of the dolphins？ They are clever and friendly.They are clever and friendly.
【答案】No.；Because it comes to the top of water to breathe air.；For six or seven minutes.；They are used for catching food.；They are clever and friendly.
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發(fā)布：2024/4/20 14:35:0組卷：1引用：2難度：0.5
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Puberty（青春期） is the process of life when young people leave childhood and move into adulthood.It is difficult for teenagers because puberty has an influence on both their minds and bodies.They need to understand what is going on with their bodies，how to deal with those changes and how to start taking responsibility for themselves.
Some young people may begin puberty at 8，while others may not start until 14 or 15.Usually，teenage girls start puberty two years before teenage boys do.For both boys and girls，it is usually complete by the age of 18.
During these years，the body develops in many ways.Feelings can also change quickly.
Teenage boys during puberty often begin to take unnecessary risks.Their attention is on having fun and being accepted.They like trying some challenging outdoor activities like skate boarding and rock climbing.So they need to think deeply before they act and make good decisions for themselves.
A girl's personality（個性）often doesn't develop in the same way as a boy's.Teenage girls sometimes don 't believe in themselves.They are no longer sure about their own feelings.However，they are usually afraid to tell their parents or teachers about their problems.For this reason，teenage girls should be encouraged to discuss things with trusted adults.
Parents，schools and communities can do a lot to care for and help young people.It is everyone's responsibility to help young people grow into healthy adults.
（1）Puberty is the process of life when young people grow from children to adults．
（2）During puberty，a teen's body develops in many ways，but feelings don't．
（3）Teenage boys during puberty enjoy some safe activities inside．
（4）It's better for teenage girls to discuss things with trusted adults during puberty．發(fā)布：2024/12/31 19:0:6組卷：2引用：1難度：0.4 -
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Too many people want others to be their friends，but they don't give friendship back.That is why some friendships don't last very long.（1）You must learn to treat your friend the way you want your friend to treat you.Learning to be a good friend means learning three rules：be honest；be generous（慷慨的）；be understanding.
Honesty is where a good friendship starts.Friends must be able to trust one another.If you don't tell the truth，people usually find out.If a friend finds out that you haven't been honest，you may lose your friend's trust.（2）
Generosity means sharing and sharing makes a friendship grow.You don't have to give your lunch money or your clothes，of course.Instead you have to learn how to share things you enjoy，your hobbies and interests.Naturally you will want to share your ideas and feelings.（3）They tell your friend what is important to you.By sharing them you help your friend know you better.
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F.Good friends always trust one another to speak and act honestly.
G.Your friendship is very important to me.發(fā)布：2024/12/31 19:0:6組卷：3引用：1難度：0.4 -
3．Do you feel nervous when you talk to your parents？Do you easily make them angry？Don't worry. （1）
Find the common interests between you and your parents.For example，if you and your dad both like playing basketball，you can watch one game together and talk about it.（2）
Try to start a dinnertime talk with your parents.Ask your parents about their day，and they will open up to you easily.Don't forget that you have to open up to them，too.（3）Besides，it's also a good idea to share something about the latest movies.Soon all of you will have a good conversation.
（4）Eye contact（交流） is necessary.Don't be bored，or they will probably stop talking and walk away. （5）If you listen patiently，they'll be interested in talking to you.As a result，there will be a warm conversation between you and your parents.
In a word，it's easy to get along well with your parents if you see them as your friends.
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B.Tell them what happened at school.
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D.Look at your parents when you talk.
E.Get some training at a parents' school.
F.You can find the conversation will come easily.
G.Here is some advice about how to talk to your parents.發(fā)布：2024/12/27 19:0:1組卷：77引用：7難度：0.4
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