单项选择题

A．WheatB．CornC．CottonD．Rice______ is the most important……

______ is the most important of all American crops.

A．Wheat
B．Corn
C．Cotton
D．Rice

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热门试题

单项选择题The Virgin Islands are located ______.

A．in the Gulf of Mexico
B．in the Pacific Ocean
C．in the North Sea
D．in the Caribbean Sea

单项选择题In our daily life we often hear such expressions as Wonderful weather we Pre having or Good morning. Which function of language do those expressions manifest

A．Informative.
B．Phatic.
C．Interrogative,
D．Expressiv

单项选择题In the mass extinction 65 million years ago, ______ of all species on earth vanished.

A．two thirds
B．half
C．90%
D．30%

单项选择题Why was Leacock dubbed as a pro-American British imperialist

A．Because he was a Briton who adored American politics.
B．Because he liked to read American newspapers.
C．Because he lectured on the importance of friendship between U.S. and Britain.
D．Because he chose to live close to Americ

单项选择题The author was probably ______.

A．a historian
B．a reporter
C．Leacock's colleague
D．a Navy officer