单项选择题

Wben the error is small, the statistical principles used in dealing with it are （） when the error is big.

A．simpler than
B．more difficult than
C．not yet understood
D．the same as

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热门试题

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.

单项选择题

According to the writer, the exactness of a science is partly related to （）

A．the skill of the scientist
B．the extent to which variables can be controlled
C．the requirements of the observer
D．the development of more accurate instruments