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    Paul is a photographer(摄影师). He went to the Arctic to take pictures for NationalGeographic(《国家地理》). Finally, he saw a big and white polar bear swimming to him in the icy water.

    Paul lay down the ice to get a better photo, but the polar bear jumped out of the water and tried to attack him! Luckily for Paul, the ice cracked(破裂), or broke and the bear fell back into the water. The polar bear wasn't so lucky. It couldn't get a meal and had to swim farther away to find food.

    To understand the polar bear's problem, you need to know two things about the Arctic. First, the Arctic is mostly ocean(海洋). Second, ice covers(覆盖) a lot of the Arctic Ocean. In winter, the ice is thick, but in summer, the ice becomes thinner and breaks into pieces. Sea ice is the key to survival for Arctic animals. However, because of global warming, Arctic temperatures are rising and polar ice is melting(融化).

    Polar bears need ice  to hunt(捕捉) seals, their favourite meal. They stand on the ice and wait for the seals to come up for air. As Arctic ice melts, polar bears have to swim farther to find ice floes, or large pieces of floating ice. Sometimes, bears have to swim more than 200 km to find an ice floe. Some bears cannot swim that far and sadly they drown(淹死).

    On his last trip, Paul saw three dead bodies of polar bears. Before global warming threatened(威胁) Arctic ice, a dead bear was a rare sight. Paul is sad to see the dead bodies. Wildlife experts(专家) think global warming will have a terrible effect(影响) on polar bears. In the future, polar ice will continue to shrink and endanger the bears. Some scientists believe 65 percent of the world's polar bears will disappear(消失) by 2050. In other words, polar bears are in great danger.

    Do you think the people who use smart phones all the time are relaxed? A research shows that too much smart phone use in spare time can make people more stressed out.

    So what can we do in order to really take advantage of our spare time? We have collected the following activities that also take a few hours to complete, but you'll improve your health in the process (过程).

    Whether you're at home or on holiday, it's important to disconnect from the Wi-Fi. Walking in nature can do good to your health. As a professional(职业的)traveler, Samantha Brown put it in a recent passage, "I put my map in my back pocket, put down my phones and take a good, long walk. Just walk around."

    Go to bed earlier. What can help improve your mood? Extra sleep, naturally. Getting the right amount of sleep is very important to our health and studies show that we don't get enough of it.

    Read a book. And let yourself get lost in a good story. Research shows that reading can reduce(减轻) stress, keep your brain sharp and can even help you sleep better. Everyone should spend at least 30 minutes reading every day.

    Putting pen to paper is a good exercise. Try writing down your thoughts. Writing has a lot of health advantages. Besides, writing down your thoughts may even help clear your mind.

In April 2024, an earthquake happened in Taiwan Province. Earthquakes often happen, but many people have no {#blank#}1{#/blank#} about what to do before, during and after an earthquake. To keep you safe, here is some advice.

An earthquake usually happens in a short time and can be very serious, so it is n{#blank#}2{#/blank#} to prepare yourself and your family for it. Make sure all family members know {#blank#}3{#/blank#} to turn off gas (天然气), water and electricity. They should also know some important telephone {#blank#}4{#/blank#} like 120 and 119.

During an earthquake, keeping calm is important. If you are indoors, move to a safe place in the room quickly, for example, {#blank#}5{#/blank#} a strong desk or table. By doing this, you can save yourself when something {#blank#}6{#/blank#} down from higher places. Remember to stay away from windows or heavy pictures. If you are cooking, turn off the gas at once. If you are outdoors, move to a clear area like a playground. Get away from buildings, bridges and trees. If you are driving, {#blank#}7{#/blank#} the car as soon as possible and then just stay inside. Don't try to drive through an active earthquake.

After an earthquake, don't run out of the building at once. You'd better stay in your safe place {#blank#}8{#/blank#} the shaking stops for 1 or 2 minutes. Make sure if there is anybody else around you, then help the people who are in need.

Which season do you like best? For me, I like spring best. It starts in March and e{#blank#}1{#/blank#} in May. In spring, everything turns green. Green trees provide us w{#blank#}2{#/blank#} fresh air. 

When the weather gets w{#blank#}3{#/blank#}, we can go out and take part in many activities. I usually climb a m{#blank#}4{#/blank#} and fly a kite with my parents. What's more, it is a good idea to go on a picnic o{#blank#}5{#/blank#} or twice a month. My parents and I sometimes ride a bike in the park and enjoy the fresh air.

I always have a good time in spring and I hope you can like it too.

"Keep calm and carry on" — You can see this message written on many T-shirts and other tourist souvenirs(纪念品) in London and the UK. It has become so famous that there are many expressions of it: "keep calm and drink tea"; "keep calm and love dogs"; "keep calm and learn English". As you can see, you can substitute(替换) the "carry on" part for anything you want, really!

But where does the original(最初的) phrase come from? Well, it comes from World War II. It was a message used for a poster(海报) created by the British government to calm people down and encourage them during the war when London was being attacked(攻击). The idea was to carry on with life as normal, as if there was no war.

Staying calm when you're in trouble is known as a very British thing to do. British people are famous for keeping a "stiff upper lip". This means your lips don't shake when you are excited or frightened: you stay calm and don't show people how you are really feeling.

Are British people still like this today? Do they still keep a "stiff upper lip"? Modern Britain is very different from how it was 60 years ago and British people probably show their emotions(情绪) more than they used to. But if "keep calm and carry on" is still so famous today, then it must be something that British people still think and care about, and something they are still famous for. So next time you are frightened or in danger, just keep calm and carry on!

 On April 11th, 2024, the third day of the third lunar month, the ancestor worship(祭祀) ceremony (典礼) of the Yellow Emperor {#blank#}1{#/blank#}( hold) in Xinzheng, Zhengzhou, Henan, China. Chinese all over the world once again looked back at {#blank#}2{#/blank#} hometown of the Yellow Emperor to worship {#blank#}3{#/blank#}( they) ancestor Yellow Emperor, Xuanyuan, pray for the motherland, and wish for a {#blank#}4{#/blank#}( peace) and harmonious world.

{#blank#}5{#/blank#}( join) in the event together, overseas (海外的) Chinese hold a grand ancestor worship ceremony in local areas every year.

 In Sydney, more than 400 people {#blank#}6{#/blank#} are from the Australian Chinese community. {#blank#}7{#/blank#}( includa) more than 70 overseas Chinese {#blank#}8{#/blank#}( lead) from Sydney and other places, gathered together. In San Francisco, more than a thousand people from various social groups, civil organizations, friends, and media at home and abroad gathered to pray for China. This year marks the {#blank#}9{#/blank#}( four) year that the London Chinatown Chinese Association has hosted an Ancest or Worship Ceremony for overseas Chinese in the UK, which {#blank#}10{#/blank#}( great) helps overseas Chinese to " seek their roots and build their dreams" as well.