(2018·山东临沂)People already know a lot about animals. However, there are still some things about animals that may surprise you. Here are some facts about animals you probably didn’t know.

Cows do have best friends and feel stressed when they are separated. Scientists have found that cows are very social animals and a cow always makes friends with other cows. When a cow is with its friends, it feels relaxed, compared with when it is alone.

During breeding season, a male penguin (企鹅) will offer a small stone to a female penguin as a gift. If she takes it, they will become partners. When the female penguin lays an egg, she and her partner may carry it on their feet, because some penguins don’t build nests (鸟巢).

Crocodiles (鳄鱼) swallow (吞) stones. Crocodiles always swallow their food instead of eating it like other animals. They swallow stones which break the food into very small pieces in their stomachs. These stones may stay in their stomachs all their lives.

Elephants use plants to treat pain or other illness. Scientists once found a pregnant (怀孕的) elephant in Africa who ate a kind of plant which was not part of her normal food. Four days later, she gave birth to a baby elephant. The same plant was used by the local pregnant women.

根据短文内容,判断下列句子正误。正确的用“A”表示,不正确的用“B”表示。

1.A cow hates making friends with other cows.

2.All the male penguins will build nests if the female penguins lay eggs.

3.Crocodiles swallow stones to help with digestion (消化).

4.Elephants eat plants only when they are hungry.

5.The passage mainly tells us some surprising facts about animals.

It was half past five in the evening when Sarah came home from work. She walked into the living room and looked after three children. The children were fourteen, thirteen and nine years old. They were watching TV. The room was dirty and untidy. There were empty glasses and dirty clothes on the floor. There were cakes on the sofa. Toys were everywhere.

Sarah got angry. “How dirty and untidy this place is!” she said to her children. “I can’t work all day and then do housework all evening. I’m not doing the housework!” And so, Sarah didn’t do the housework. She didn’t clean. She didn’t do the dishes. She didn’t wash the clothes. Every evening she sat in the sofa and watched TV.

Two weeks later, every dish in the house was dirty. All the children’s clothes were dirty, too. Every trash can (垃圾桶 ) was full. The whole house was dirty and untidy.

Then one day Sarah got very surprised when she came home from work. The kitchen was clean. The children cleaned the kitchen! The next day, the living room was clean, and the children were washing their clothes. Sarah told the children. “OK, I’ll do housework again. But you must help me.”

Now Sarah and the three children do the housework together. Then they all sit in the sofa and watch TV.

根据短文内容判断正误,正确T,错误F。

1.Sarah has three children.

2.She was unhappy to see the dirty and untidy room.

3.One day Sarah got home to see the children cleaning the kitchen.

4.After Sarah did the housework again, the children stopped doing it.

5.The children finally learned that they should share the housework.

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