do dogs howl (嚎叫) at sirens (警报器)?Although this behavior isn’t universal, many dogs seem to howl when they hear sirens. Dogs react this way because they are trying to communicate ……

;A. They can live for up to 14 years. A. They can live for up to 14 years. B. Their howl sounds... together. D. They often howl together.4. What do New Guinea singing dogs eat?4. What do New Guinea ……

to the reality of the heart, of the mind and of the imagination. Those things can help us in life," he... and find love and wealth.But the new animated movie "Howl's Moving Castle", by Japanese directorHayao ……

largest, most powerful supercomputing projects, dubbed "Blue Gene." The computer, which can calculate... the fastest computers available, according to IBM.Fish stop madnessEATING fish once a week may help ……

Look for dogs' eyebrows狗有眉毛吗？Look for dogs' eyebrows狗有眉毛吗？Q: Can dogs haveeyebrows(眉毛)?A: Dogs do have eyebrows. They're just harder to see, because dogs are covered in fur. Eyebrows serve an ……

听两遍短文，选择正确答案。1. What was the main reason for people to keep dogs in the past?A. To help them work.B... friend.C. A helpful brother.3. Why do old people keep dogs?A. They treat them as their children.B ……

at airports and help to detect the virus. Can dogs tell if you are sick or not? The answer is yes... and find the right sweat sample (汗液样本). In the future, the dogs can work at airports and help to detect ……

A new study has found that dogs’ cold noses help them sense heat. TUCHONGA new study has found that dogs’ cold noses help them sense heat. TUCHONG为什么狗的鼻头总是凉凉的?   词数 331  ……

(毛茸茸的), then why are their noses so cold?Before, people thought that dogs had cold noses to help them...A new study has found that dogs’ cold noses help them sense heat. TUCHONGA new study has ……

. According to Zhang Ying’s parents, why can’t Zhang Ying have a dog at home?1. According to Zhang Ying’s parents, why can’t Zhang Ying have a dog at home?A. Because no one will look after the dog ……

sense of smell to find bombs (炸弹), drugs (毒品) and enemies. Dogs are “man’s best friend”. They can help... lost people or bodies after a big disaster (灾难) or in the wild. Guide dogs (导盲犬) can help blind people ……

德国的警犬也穿鞋。
DO dogs wear shoes? Some police dogs in western Germany do. People made special shoes for them. Police say that these shoes can protect (保护) the dogs from broken (碎的) glass.Dogs use their sense ……

of working dogs helped to find and save people. What can dogs do? How can you be safe around them? Here Teens... dogs just play with their owners. Others help people work.Search and rescue (救援) dogs are common ……

– that’s why computers are being designed for dogs. At the Open University, UK, a research team has..., bright buttons (按钮) on touch screens that dogs can push with their noses. Another is to use the motion ……

dogs bark (吠)?C. Why do dogs like to lick people?C. Why do dogs like to lick people?D. What jobs can...Getting startedGetting startedDo you like big dogs or small dogs? Why? How long do dogs usually ……