Why do plants grow in some places and not in others? Why does some land have so much growing on it，while other land has almost no plants growing on it at all?

To grow, plants need several things．One is warmth．In very cold places almost nothing grows．Plants also need water．In very dry parts of the Earth only a few unusual plants can grow．That's why dry deserts everywhere are almost not covered by trees or grass．

Plants must also have a place in which to put down their roots and grow．They find it difficult to grow on hard land．The town is built on hard land．The plants here have only the soil found between the cracks of the stones to grow in．

Another thing plants must have before they can grow is food．

What will happen if we try to make things grow on the sandy beach? A few plants，such as grass，will grow in sand，but most plants won't．Even if the weather is warm enough and we water the plants each day，many of them will die because the sand on this beach has almost no food for plants．

1．According to the passage，plants need          things to grow well．

A．two                     B．three                    C．four                       D．five

2．What does the underlined word “cracks” mean in the text?

A．缝隙                   B．表面                    C．夹层                      D．底部

3．From the passage we can know it is          for plants to grow in dry places．

A．easy                    B．difficult                C．impossible              D．important

4．The reason why most plants can't grow on the sandy beach is that         ．

A．there isn't enough sunlight                        B．there is too much water

C．it is too crowded there                                D．it has little food for plants

5．The passage can most probably be found in a          book．

A．science                B．history                 C．travel                     D．math

Why do plants grow in some places and not in others? Why does some land have so much growing on it, while other land has almost no plants growing on it at all?
To grow, plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the Earth only a few unusual plants can grow. That’s why dry deserts everywhere are almost not covered by trees or grass.
Plants must also have a place in which to put down their roots and grow. They find it difficult to grow on hard land. The town is built on hard land. The plants here have only the soil (土壤)found between the cracks of the stones to grow in.
Another thing plants must have before they can grow is food.
What will happen if we try to make things grow on the sandy beach? A few plants, such as beach grass, will grow in sand, but most plants won’t. Even if the weather is warm enough and we water the plants each day. Many of them will die because the sand on this beach has almost no food for plants.
【小题1】According to the passage, plants need _____ things to grow well.

A．two

B．three

C．four

D．five

【小题2】What does the underlined word “cracks” mean in the text?

A．缝隙

B．表面

C．夹层

D．底部

【小题3】From the passage, we can know it is _______ for plants to grow in dry places.

A．easy

B．difficult

C．impossible

D．important

【小题4】The reason why most plants can’t grow on the sandy beach is that _______.

A．there isn’t enough sunlight	B．there is too much water
C．it is too crowded there	D．it has little food for plants

【小题5】The passage can most probably be found in a ______ book.

A．science

B．history

C．travel

D．math

Why do plants grow in some places and not in others? Why does some land have so much growing on it, while other land has almost no plants growing on it at all?

To grow, plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the Earth only a few unusual plants can grow. That’s why dry deserts everywhere are almost not covered by trees or grass.

Plants must also have a place in which to put down their roots and grow. They find it difficult to grow on hard land. The town is built on hard land. The plants here have only the soil (土壤)found between the cracks of the stones to grow in.

Another thing plants must have before they can grow is food.

What will happen if we try to make things grow on the sandy beach? A few plants, such as beach grass, will grow in sand, but most plants won’t. Even if the weather is warm enough and we water the plants each day. Many of them will die because the sand on this beach has almost no food for plants.

1.According to the passage, plants need _____ things to grow well.

A．two              B．three             C．four              D．five

2.What does the underlined word “cracks” mean in the text?

A．缝隙             B．表面             C．夹层             D．底部

3.From the passage, we can know it is _______ for plants to grow in dry places.

A．easy             B．difficult           C．impossible         D．important

4.The reason why most plants can’t grow on the sandy beach is that _______.

A．there isn’t enough sunlight               B．there is too much water

C．it is too crowded there                   D．it has little food for plants

5.The passage can most probably be found in a ______ book.

A．science           B．history            C．travel            D．math

 

As soon as he finished his homework，Erie jumped onto his bicycle and rode off in the direction of the beach．While he was   1   along，he thought about the whales（鲸鱼）．He hoped he would see them again today．After he got to the beach，Eric   2   his bicycle behind a bush so that no one could see it from the road．Then he ran down onto the sand．  3   it was only four in the afternoon，the sky was already growing dark．Eric frowned（皱眉）．If it  4   he wouldn't be able to see the whales because they would stay in deeper water．He hurried along the beach   5   the rocks．They were the best place to watch the whales from because of their __6  ．Before Erie reached the rocks he felt a drop of water on his head．“Oh no!” he thought．“Now the whales will stay in the deep water and l won’t be able to   7   them!” But just then he saw a large shape on the beach．It was a young whale! The whale had come too close to the shore（海岸）and got stuck（搁浅）on the   8  ! At first the whale didn't move at all and Eric thought it was   9  ．Then he saw its tail move weakly．Eric turned and ran through the rain as fast as he could back to his bicycle．He had to get   10  ! Unless they got the whale back in the water soon，it would die and Eric couldn't let that happen．

1．A．riding             B．running                C．getting                   D．walking

2．A．sent                      B．hid                      C．took                             D．got

3．A．As                        B．Since                   C．Because                 D．Although

4．A．shone             B．snowed                C．rained                    D．blew

5．A．into                       B．off                      C．to                          D．from

6．A．1ength            B．size                     C．height                    D．shape

7．A．watch            B．kill                       C．catch                     D．save

8．A．soil                       B．beach                         C．grass                     D．water

9．A．dead                      B．pretty                         C．lovely                    D．alive

10．A．care                    B．water                   C．medicine                D．help

Why do plants grow in some places and not in others? Why does some land have so much growing on it, while other land has almost no plants growing on it at all? To grow, plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the Earth only a few unusual plants can grow. That’s why dry deserts everywhere are almost not covered by trees or grass. Plants must also have a place in which to put down their roots and grow. They find it difficult to grow on hard land. The town is built on hard land. The plants here have only the soil found between the cracks of the stones to grow in. Another thing plants must have before they can grow is food.  What will happen if we try to make things grow on the sandy beach? A few plants, such as beach grass, will grow in sand, but most plants won’t. Even if the weather is warm enough and we water the plants each day, many of them will die because the sand on this beach has almost no food for plants.

1．According to the passage, plants need ______ things to grow well.

A．two         B．three        C．four                 D．five

2．What does the underlined word "cracks" mean in the text?

    A．缝隙          B．表面        C．夹层                   D．底部

3．From the passage, we can know it is _______for plants to grow in dry places.

      A．easy             B．difficult            C．impossible    D．important

4．The reason why most plants can’t grow on the sandy beach is that _______.

    A．there isn’t enough sunlight               B．there is too much water

    C．it is too crowded there                 D．it has little food for plants

5．The passage can most probably be found in a ______book.

    A．science                 B．history           C．travel          D．math