单项选择题


What invention made milk keep longer in 1851

A．A special milk bottle.
B．A method to take water out of milk.
C．A way to kill bacteria in milk.
D．Machines to fill bottles automatically.
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单项选择题
What does the speaker say about current insurance policies
A．They are more expensive than earlier policies.
B．They remain much similar to earlier policies.
C．They are cheaper than earlier policies.
D．They greatly differ from the earlier policies.
单项选择题
A．ThusB．SoC．ThenD．Even
A．Thus
B．So
C．Then
D．Even
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