美国12岁男孩为什么对气球说“不”？课件及教案见网站 测试见7版MANY people decorate (装饰) their rooms with balloons. But a seventh... balloons when there is helium (氦气) inside. Ryan goes to St. Mary’s School in California. There are many ……

on your hair for a few minutes.4. Lift up (提起) the middle of the rope and let the two balloons come...带电的气球What you need:Two balloonsRope (绳子)CardboardHow to play:1. Blow up (吹起) the two balloons. 2 ……

Pop balloons so fast!Pop balloons so fast!咬破气球最快的狗狗咬破气球最快的狗狗This is Toby. He is from Canada. He loves popping (使……爆裂) balloons. His owner puts balloons in a swimming pool. Toby swims around to pop ……

. bcd2. To let more people know about the problems with helium-filled balloons, Ryan did all...Say no to balloons (P3)Choose the answer: 1. Why does Ryan dislike helium-filled balloons ……

(氦气) balloons. He then let the balloons go and came back to the ground with a parachute (降落... 2, Blaine flew 7.5 kilometers into the sky while holding 52 helium (氦气) balloons. He then let ……

into the sky. When he reached about 7.5 kilometers above the ground, he let the balloons go... the ground, he let the balloons go and opened his parachute (降落伞).Blaine spent two years preparing ……

! Later, he let the balloons go. He came down to the ground with a parachute (降落伞). Blaine... at this height (高度). He held 52 balloons with helium (氦气) inside. Wow, that’s so brave! Later, he let ……

做的服装)! A company (公司) in the US makes these costumes. Made out of many small balloons, the costumes... 200 to 800 balloons to make each costume. Each one takes a few hours to put together. The costumes ……

balloons. Then, we let go of (放飞) the balloons.” Tang Qingjin is also in the sixth grade. “I wish... Primary School (四川蜀山小学) fly balloons on their first day of school. They say thank you to their family ……

想要飞过大西洋的房子Did you watch the movie UP (《飞屋环游》)? Did you like the flying house? Let’s look at a real one. Jonathan Trappe from the US made it. He used 365 balloons. He flew in his house. He is now ……

) today! He ties2 a lot of balloons to his house. His house flies up with the balloons. It is going...环游记》).Let's meet...Russell is a happy and curious (好奇的) boy. He is wearing a yellow hat, a big bag ……

to. Let’s learn more about the layers of Earth’s atmosphere.Space balloons are often called stratospheric (平流层的) balloons, representing the altitude they go to. Let’s learn more about the layers ……

Kids from India wear colorful powders.  VCG  Happy Holi! Every February or March... flowers. But today they’re often man-made.Along with the colors, people also throw water balloons ……

气球飞机John Cassidy is from the US. He likes making things with balloons. He is good at it. He made the world’s largest balloon plane out of 434 balloons. It’s about 4 meters long. It took John more ……

We use our mouths to fill (注满) balloons with air. Andrew, an American boy, uses his nose. He fills 23 balloons in three minutes. ……