Tall-growing crops should be planted where they will not shade or interfere with the growth of smaller crops. There seems to be little choice as to whether the rows do or do not run in a general east-and-west or in a general north-and-south direction, but they should conform to the contours of the land.

　　21. Vegetables that require little space are_______.

　　A. radishes B. beets

　　C. melons D. both A and B

　　22. The author suggests that_______.

　　A. seeds be sowed randomly B. paths not be crossed

　　C. all gardens be planned alike D. his proposals be followed

　　23. The author views the planning of a garden

　　A. as a complicated task B. as a balance among several factors

　　C. as an impossible task D. as something of minor importance

　　24. It is most important that rows of plants_______.

　　A. run east and west B. run north and south

　　C. contain both tall and short vegetables D. conform to land contours

　　25. The best title for this article would be_______.

　　A. Growing a Vegetable Garden B. Cultivating a Garden

　　C. Problems in Gardening D. Using Home Grown Vegetables

　　21. D 22. B 23. B 24. D 25. A

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