题目内容
Some animals sleep during _____ day.
A.the B.a C.an D.\
A
Many animals use some kinds of language .They use signals (信号) and the signals have meaning , For example, When a bee has found some food , it goes 21 its home .It is 22 for a bee to tell 23 bees where the food is by speaking to 24 ,but it can do a little dancing .This tells the bees where the food is and 25 it is .
Some animals show how they feel by making sounds . It is not difficult to tell that a dog barks (吠) 26 it is angry .Birds make several different sounds .and 27 has its own meaning . Sometimes we humans make sounds , 28 we make sounds like OH or OUCH to show we feel about something or when we 29 something on our feet.
We humans have languages. We have words .These words have the meaning of things actions (行动),feeling or ideas .We are able to give each other information by writing down words .in this way , we can 30 what has happened or send the messages to people far away.
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C.In the same way D.By the different way
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A plant(植物) makes its own food in its leaves .Water comes to the leaves through the roots(根). Air gets into the leaves through very small holes(孔). The green coloring in the leaves uses the water and air to make the food for the plant . It also needs sunshine because a plant can make food only when the sun is shining.
Animals and people could not live without green plants . They both eat plants .People and some animals also eat the meat of some animals and these animals eat plants.
1. A plant gets food from________
A.the sun |
B.its leaves |
C.its roots |
D.the air |
2.What does the green coloring use to make the food for a plant?
A.Sunshine ,water ,air and the roots |
B.Air ,sunshine and water |
C.Water ,air and meat |
D.Water ,sunshine and animals |
3.A plant has very small holes in its leaves for__________ to come in.
A.air |
B.water |
C.sunshine |
D.green coloring |
4. A plant can make its food when it is _______.
A.cloudy |
B.rainy |
C.sunny |
D.windy |
5.People would die without________
A.animals |
B.meat |
C.plants |
D.leaves |