单项选择题


Passage Three
Questions 22 to 25 are based on the passage you have just heard.

A．Through the sense of touch.
B．Through the sense of smell.
C．Through intense narrow-band pulses of sound.
D．Through intense broad-band pulses of sound.
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单项选择题
A．Through a wide variety of high-frequency sounds.B．Through a wide variety of low-frequency sounds.C．Through a narrow range of high-frequency sounds.D．Through a narrow range of low-frequency sounds.
A．Through a wide variety of high-frequency sounds.
B．Through a wide variety of low-frequency sounds.
C．Through a narrow range of high-frequency sounds.
D．Through a narrow range of low-frequency sounds.
单项选择题
A．Ken is leaving for Hong Kong.B．Tina is leaving for Hong Kong.C．Ken wants to meet Tina on Saturday.D．Tina wants to meet Ken in Hong Kong tomorrow.
A．Ken is leaving for Hong Kong.
B．Tina is leaving for Hong Kong.
C．Ken wants to meet Tina on Saturday.
D．Tina wants to meet Ken in Hong Kong tomorrow.
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