Weallknowawagging(摇摆的)tailmeansthedogisfriendly. 

问题详情：

    We all know a wagging (摇摆的) tail means the dog is friendly. __36__ However, a dog wagging its tail also may be scared or ready for a fight. Here are some tips on how to understand a dog’s body language.

    When you see a dog whose tail is wagging wide and fast, the message is almost always “Glad to see you!” On the other hand, a dog holding its tail horizontally(水平地) wants to know more about you. It might not be ready to welcome you. __37__ It is still deciding whether you are a friend or not. The same is true of a dog whose tail is wagging slowly.

   When a dog hears or sees something new or exciting, its ears will go up or forward. __38__ Its ears can also be pointed in different directions, allowing the dog to quickly figure out where a sound is coming from.

   Watch your dog’s facial expression to learn more about how it is feeling. You might even catch it smiling. __39__ Dogs probably smile for the same reason we do. They want others to know they don’t mean any harm.

   Body language is one thing. __40__ They are full of meaningful messages for dog owners.

A. But it’s not going to challenge you either.

B. A dog uses its entire body to show messages.

C. A dog that is wagging its tail might be happy.

D. A dog’s barks and other noises are quite another.

E. It isn’t really hard to understand what your dog is trying to say.

F. When it smiles, it pulls the corners of its mouth back to show the teeth.

G. Its hearing is very good and it often knows about the approach of a person.

【回答】

CAGFD

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