下图为苏联的两个五年计划国民经济增长率柱状图。图中变化有利于( )
A:集体农庄从无到有
B:国民经济趋于协调
C:发挥市场的作用
D:小农经济的发展
将下列句子改为被动语态(1)I sent a letter to you last month.____(2) Do we use it for cooking?____(3) Where did you build the bridge?____(4) Mother tells me a story every day.____(5) Can he finish his homework on time?____
请回答下列问题:
读图,回答下列两题。