填空题

Questions 47 to 56 are based on the following passage.
Gardening is the laying out and care of a plot of ground devoted partially or wholly to the growing plants such as flowers, herbs, or vegetables.
Gardening can be considered both as an art, concerned with arranging plants (47) in their surroundings and as a science, involving the principles and techniques of plant cultivation. Because plants are often grown in conditions markedly different from those of their natural environment, it is necessary to (48) the cultivation techniques modified by the experience of the planter and (49) from plant physiology. The basic principles involved in growing plants are the same in all parts of the world, but the practice naturally needs much (50) to local conditions.
Gardening in its ornamental sense needs a certain level of civilization before it can (51) Wherever the level has been attained, in all parts of the world and at all periods, people have made efforts to shape their environment into attractive (52) The instinct and even (53) for gardening thus appear to (54) from some primitive response to nature, which brings about a wish to produce growth and harmony in a creative partnership with it. While tolerant in many respects, nature does, however, present firm reminders that all gardening takes place within a (55) of nature law; and one important aspect of the study of the craft is to learn which among these rules of nature are imperative and which maybe more (56) .
A) interest B) apply C) decline D) raise
E) derived F) flourish G) flexible H) display
I) rigid J) arise K) harmoniously L) innovation
M) framework N) adaptation O) enthusiasm