单项选择题

______ is the key to Industrial Revolution.

A. Steam engine
B. Railway engine
C. Cotton textile
D. Coal mining
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单项选择题
All the following words contain the inflectional affixes EXCEPT
A. watches.
B. longer.
C. notes.
D. useful.
单项选择题
The leader of the imagist movement in American literature is
A. Thomas Stearns Eliot.

B. Robert Frost.
C. Wallace Stevens.

D. Ezra Pound.
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