单项选择题

In the last sentence of the passage, the phrase "these tools" refers to ______.

A．weather forecasts
B．economic advantages
C．mathematics and physics
D．meteorological problems
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单项选择题
The best title for the passage is______.
A．Approaches to the Science of Meteorology
B．New Advances in Synoptic Meteorology
C．The Limitations of Meteorological Forecasting
D．The Basics of Dynamic Meteorology
单项选择题
Which of the following statements best describes the organization of the third paragraph of the passage
A．A problem is examined and possible solutions are given.
B．A procedure is explained and its importance is emphasized.
C．Two contrasting views of a problem are presented.
D．Recent scientific advancements are outlined in order of importance.
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