单项选择题

How often is physical science more accurate than biological science（）

A．Never.
B．Always.
C．Usually.
D．Occasionally.

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单项选择题

A．They get rid of intuition,
B．They make it more logical.
C．They reduce everything to numbers.
D．They give an idea of the amount of error involved.

单项选择题

What is the author of this passage saying about meteorology（）

A．It is becoming more accurate.
B．It is more accurate than the biological sciences.
C．It is more accurate than some of the measurements of structural engineers.
D．It is relatively inaccurate.