党的十七届三中全会认为，我国总体上已进入（）‌

MeterorologyThe science of meteorology (气象学) is concerned with the study of the structure, state, and behavior. of the atmosphere. The subject may be be approached from several directions, but the scene cannot be fully appreciated from any one vantage point(46).One may consider the condition of the atmosphere at a given moment and attempt to predict changes from that condition over a period of a few hours to a few days ahead(47)Synoptic meteorology is the scientific basis of the technique of weather forecasting by of the preparation and analysis of weather maps and aerological (天气的，气象学的) diagrams.(48). In serving the needs of shipping, aviation, agriculture, industry, and many other interests and fields of human activity with accurate weather warnings and professional forecast advice, great benefits are reaped in the from of the saving of human life and property and in economic advantages of various kinds,(49).The tools needed to advance our knowledge in this way are the disciplines of mathematics and physics applied to solve meteorological problems.(50).A Different views must be integrated to give perspective to the whole picture.B The use of these tools forms that branch of the science called dgnamic meteorologyC There are, of course, some exceptions.D This approach is coverd by the branch of the science called synoptic meteorology.E The practical importance of the numerous applications of weather forcasting can not be overestimated.F One important purpose of meteorology is constantly to strive, through advanced study and research, to increase our knowledge of the atmosphere with the aim of improving the accuracy of weather forecasts. 点击查看答案

1957年以后我国在经济建设中“左”顷错误很快便严重地泛滥开来，其主要标志是（）

A．高指标
B．瞎指挥
C．浮夸风
D．“共产风”

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