赞题库-背景图

单项选择题

The estimate is based on the

A．direction of the hill
B．accepted speed of sound
C．interval between sound and echo
D．both B and C

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热门试题

单项选择题What can we infer about the woman

A．That she has stopped smoking.
B．That she does not want to get married.
C．That she has asked the man to quit smoking many times.
D．That she is not in love with the man.

单项选择题What does the passage mainly discuss

A．Martha Graham' s development of modem dance
B．The revolution of art forms in the 1920s
C．A dancer' s view of life
D．The Martha Graham School of Contemporary Dance