九年级英语完形填空专项练习一 阅读下面短文，掌握其大意，然后从所给的A、B、C、D 四个选项中，选出最佳选项
Plants are very important living things , life could not go on 1 there were no plants
This is 2 plants can make food from air, water and sunlight
Animals and man 3 make food from air, water and sunlight
Animals 4 their food by eating plants and animals 5
Therefore（因此），animals and man need plants in order to 6
This is the reason why we find that there are so 7 plants around us
If you look carefully at the plants around, you 8 find that there are many types（种类）of plants
Some plants are large 9 others are small
Most plants are 10
Some plants have many small leaves
Others have only 11 large leaves
There are many kinds of leaves
Leaves are of 12 shapes（形状）and colors
Leaves are also different 13 other ways
Some leaves have sh
