loyal 忠诚的

man's best friend “人类最好的朋友”，是对狗的昵称

sense of smell 嗅觉

sniffer dogs 嗅探犬

substances 物质，材料 

guide dogs 导盲犬

seizure（疾病的）发作

canines 犬科动物

affection 爱、友好之情

autism 自闭症、孤独症

waggy 爱摆动的，不停摇摆的

bio-sensor 生物感应器

prostate cancer 前列腺癌

type 1 diabetes 第一型糖尿病

medical alert assistance dogs 医疗警报援助犬

a small price to pay 微不足道的代价

four-legged friends “四条腿的朋友”，对狗的昵称

测验与练习 1. 阅读课文并回答问题。

1. Which sense does a sniffer dog use to find explosives?

2.  How can a dog help someone with autism?

3. According to Dr Claire Guest is CEO of Medical Detection Dogs, what do dogs do with their tails?

4.True or false: Dogs have been trained to cure early stage prostate cancer.

5. What word used in the article means 'prove that something is present using scientific methods'?

2. 请你在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处 。

1. Students are getting a helping paw from ______ to help them cope with exam pressure.

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