题目内容：

Many people want to grow their own garden, but they simply do not have the room. Do not worry. There is a solution. Consider container gardening.

The great thing about container gardening is that you can use a variety of different containers. You simply have to use your imagination. You could create a beautiful garden with things such as cement blocks, hanging baskets, clay pots, or window boxes. There are so many options when it comes to container gardening; it is only limited by your imagination.

Of course, you will want to take the following into consideration when you are ready to begin container gardening, in order for it to be successful.

First, you should avoid any containers that have been used to store chemicals, as well as treated wood. This could lead to the sudden death of your flowers and lead to the failure of your container gardening.

With any container that you choose, you need to ensure that it allows the water in it to drain when necessary. So it may be essential for you to create holes in the container to help this along. You should also make sure the containers are placed on a raised surface, not upon the floor, to ensure the best possible drainage.

Ensure that the containers you choose are appropriate in size for the plants you choose, You need to prevent the roots from overgrowing the container.

If you like fresh veggies, you could consider container gardening with vegetables. This requires a process that differs from that of flower gardening. Talk to an employee at a supply store in your area, They can help you choose the right containers for the vegetables you are wishing to grow.

1.Which of the fol lowing may be improper materials for container gardening?

A. Clay pots.

B. Cement blocks.

C. Treated wood.

D. Window boxes.

2.What docs the underlined word"drain" in Paragraph 5 mean?

A. To flow away.

B. To give off.

C. To pour down.

D. To hold back.

3.Compared to flower gardening, what do we know about vegetable gardening?

A. It seems much easier.

B. It requires more time,

C. It demands more water.

D. It needs special containers.

4.Who may be interested in the text?

A. Farmers who are good at gardening.

B. Citizens who enjoy gardening.

C. Children who like outdoor activities.

D. People who have a big yard.