Sound can travel about three times (倍) faster through water than air. ……

? Read on to learn more.Travel away 方式一：远走高飞When it’s cold, some animals travel to warm places to find... sleep 方式三：睡大觉Some animals eat little or no food in winter. Before winter comes, they eat, eat and eat ……

they are tired, they sleep in water, hand in hand. Otters like to stay with each other. They also like to hold hands in this way, so they won’t drift apart (漂走) in sleep. ……

may argue that getting enough sleep is more important. And when you want to try the exotic food....This is probably why more people these days are choosing to travel alone. According to reports on holiday ……

the winter? Read on to learn more.Travel away方式一：远走高飞When it’s cold, some animals travel to warm places..., they can’t find these foods. So they change and eat small animals such as mice.A long sleep方式三：睡大 ……

Drink a glass of water when you wake up in the morning.During sleep, we lost some water with each breath (呼吸). A glass of water in the morning fuels (给……加油) your body.Drink as you ……

You sail out to sea with your friends on a sunny day. There are fish jumping out of the water..., you can read your favorite book or watch a movie. Don’t forget to get some sleep! B: You enjoy ……

for the day, remember to put your feet in some hot water for a while. This helps you relax.You can also raise your legs a little higher, above your heart. This helps theblood(血液) travel back to your ……

and shamed for bad travel behavior. They include a tourist who threw hot water at a flight attendant..., their behavior will be recorded and kept for up to two years and may affect their future travel plans.To fight ……

澳大利亚的短途火车Traveling by train in Australia is very different to China. In China, some trains travel.... In Australia, no food or drink is sold onboard (在车上). And there are no beds either. So you can’t sleep ……

them from falling into the water, they sleep for 10 seconds at a time while flying. Some birds... over the ocean. When the wind can keep them from falling into the water, they sleep for 10 seconds ……

-term lack of sleep damaged his health and then a sudden illness hit him and he ended up in the hospital, just as World Sleep Day (March 21) was approaching. In today’s fast-paced world, Xu is just one ……

struggle with maintaining a healthy sleep schedule due to late-night studying and extracurricular activities. How can I prioritize (优先考虑) sleep without sacrificing (牺牲) my grades or interests?I struggle ……

IT seems people will never agree on water beds. There are those who believe they offer them....Water beds consist of a metal or wood frame and a mattress made of special plastic that is filled ……

answer:1. What is the HUNCH program about? A. It chooses high school students for space travel... for space travel. B. It teaches high school students advanced space technology. B. It&rsquo ……