cross my heart       down to       clear cut       breeds

4. How can you not see it? There’s a ______ difference between the first picture and the second!

marked       gut       hand-in-hand       tame

5. Please stop smoking, son. It goes ______ with cancer and you don’t want that.

skips a beat       cross my heart       on their lonesome       hand-in-hand                       

答案 1. 阅读课文并回答问题。

1. What reasons does the author give for loving dogs?

They fill the author with joy. Their loyalty is indisputable, their companionship is always welcome, they fetch for us, guard for us and even work for us when required

2. When did the study mentioned in the article take place and who were its participants?

The study took place between 2001 and 2017. Its participants were 3.4 million Swedes.

3. Which three reasons are given for a dog reducing a person’s cardiovascular risk?

The increased physical activity associated with dog ownership, the increased social contact and the change of the owner’s microbiome.

4. True or false? Single-household dog owners see no health benefits compared to single-household non-owners

False. Single dog owners had a 33% reduction in risk of death and 11% reduction in risk of cardiac arrest compared to single non-owners.

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