[填空题]

{{B}} Questions 47 to 56 are based on the following passage.{{/B}}
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 {{U}} (47) {{/U}} 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 {{U}} (48) {{/U}} the cultivation techniques modified by the experience of the planter and {{U}} (49) {{/U}} 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 {{U}} (50) {{/U}} to local conditions.
Gardening in its ornamental sense needs a certain level of civilization before it can {{U}} (51) {{/U}} Wher

最新试题

• ●    [单选题] 肺炎支原体肺炎感染治疗的首选药物为
• ●    [判断题]位于线路首端的第一基杆塔不属于终端杆，只有最末端一基杆塔属于终端杆。 
• ●    试述多器官功能障碍综合征的发病机制。
• ●    某些律师承认交警便衣执勤是“隐蔽执法”行为，但却是“不得已而为之”。言下之意即明知违法，但因为可以取
• ●    白肋烟身份与内在质量有一定的关系表现在（）
• ●    烟火报警器、预防性药物、保险、社会保障、养老投资、汽车安全带等产品可以满足消费者的（）