单项选择题

The word "rudimentary" (Line 3, Para. 2) is closest in meaning to______.

A．growing
B．undeveloped
C．necessary
D．uninteresting
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单项选择题
What does the passage mainly discuss
A．The influence of ice on the diet.
B．The development of refrigeration.
C．The transportation of goods to market.
D．Sources of ice in the nineteenth century.
单项选择题
The author describes Thomas Moore as having been on the right track (Lines 1-2, Para. 3)to indicate that______.
A．the road to the market passed close to Moore's farm
B．Moore was an honest merchant
C．Moore was a prosperous farmer
D．Moore's design was fairly successful
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