单项选择题

A．It went out of use 300 years ago.
B．It was invented after the short bow.
C．It was discovered before fire and the wheel.
D．It’s still in use today.
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单项选择题
A．They want to change the way English is taught.B．They learn English to find well-paid jobs.C．They want to have an up-to-date knowledge of English.D．They know clearly what they want to learn.
A．They want to change the way English is taught.
B．They learn English to find well-paid jobs.
C．They want to have an up-to-date knowledge of English.
D．They know clearly what they want to learn.
单项选择题
A．About every five minutes.B．about every six minutes.C．About every seven minutes.D．About every eight minutes.
A．About every five minutes.
B．about every six minutes.
C．About every seven minutes.
D．About every eight minutes.
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