A working knowledge of this information will help you get rid of some potentially dangerous circumstances and help you prepare for emergency situations.

　　It includes information on what to do and what not to do in specific emergency situations. The authors encourage careful reading and occasional rereading. We have tried to make this book easy to understand, avoiding technical terms as often as possible, but defining them in context when they are necessary.

　　21．What's the purpose of this passage?

　　A．To introduce a book, a reference about first aid for dogs and cats.

　　B．To introduce a website.

　　C．To introduce a working knowledge.

　　D．To encourage careful reading.

　　22．Why are we advised to buy the book?

　　A．Because it's very cheap.

　　B．Because it contains a working knowledge of information about dogs and cats.

　　C．Because it contains information on specific emergency situations.

　　D．Because you can keep it at hand and find knowledge of dog or cat first aid in case of an emergency.

　　23．Which is NOT true about the book?

　　A．It can enlarge the readers' knowledge of dog and cat first aid.

　　B．It contains the knowledge of recognition of abnormal symptoms of dogs and cats.

　　C．Although it contains possible technical terms, it is easy to understand.

【2017届高考英语一轮复习课时作业25：Unit 5《First aid》（新人教版必修5陕西专用）】相关文章：

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