问题补充：
You may hear someone say, ‘It’s raining cats and dogs.’ We know it means it’s raining hard. Here is how it comes.
There are many large rats in a country. People need cats. But there are many mountains in the country. It’s hard for a plane to land (着陆）． So the cats come down by parachute（降落伞）．
In another country, the people need dogs to find people in the snow. Where can they get the dogs? You can guess. The dogs also come down by parachute.
These cats and dogs are helping the people. And the people often say it rains cats and dogs.
5. What does the sentence ‘It’s raining cats and dogs.’ mean?
A. We put the cats and the dogs in the sky. B. It means ‘It’s raining hard’.
C. people like cats and dogs. D. Cats and dogs are helping the people
6. Why do the cats come down by parachute?
A. Because it’s not safe (安全的). B. Because there are many mountains in the country:
C. Because people need cats.D. Because it’s quick to carry the cats.
7. From the article, we can know rats mean .
A. 大象 B. 猴子 C. 老鼠 D. 熊猫B
答案：
(答案→)B
解析：【小题1】从文章第一段中“ We know it means it’s raining hard.”意为下大雨，倾盆大雨。故选B。
【小题1】从第二段中“But there are many mountains in the country. It’s hard for a plane to land (着陆）． So the cats come down by parachute（降落伞）．可知答案选B。
【小题1】通过第二段中人们需要好多猫，可推出人们用猫来捉老鼠，故rats mean老鼠。选C。
