阅读理解。 There are many mice in a house. The man of the house gets a cat. The cat kills many of the mice. The oldest mouse says, 'All the mice must come to my room and we will think what we can do about this cat.' All the mice come. Many mice speak, but none knows what to do. At last a young mouse stands up and says, 'We must put a bell on that cat. Then when the cat comes near, we shall hear the bell and run away and hide (藏起来). So the cat will not catch any more mice. 'Then the old mouse asks, 'Who will put the bell on the cat?' No mouse answers. At last he says, 'It is easy to say things, but it is hard to do them.' 1. In the house there are many _____. A. cats B. dogs C. mice D. men 2. One day all the mice come to _____. A. the oldest mouse's room B. the young mouse's room C. the cat's room D. the house 3. They will think _____. A. how to make friends with cat B. what they can do about this cat C. how to eat the cat D. when they'll have a party 4. The young mouse wants to put a _____ on the cat. A. flower B. hat C. bell D. ball 5. 'It is easy to say things, but it is hard to do them ' means '_____.' A. 只做不说 B. 只说不做 C. 说到做到 D. 说起来容易，做起来难