A．It can measure the driver's alcohol level in the blood.B．It bases its analysis on th
A. It can measure the driver's alcohol level in the blood.
B. It bases its analysis on the driver's heartbeat.
C. It can quicken the driver's response to emergencies.
D. It monitors the signals transmitted from the driver% brain.
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A．The effects of music do not last long.B．Piano music could interfere with your reason
A. The effects of music do not last long.
B. Piano music could interfere with your reasoning ability.
C. Music, whether classical or rock, helps improve your memory.
D. The more you listen to music, the higher your test scores will be.
听力原文：W: John, are you doing research for Professor Williams this semester？
M: Actually, I'm working as his teaching assistant.
Q: What does the man mean？
(18)
A. He needs another job as research assistant.
B. He asked Professor Williams for assistance.
C. He assists Professor Williams with his teaching.
D. He is doing research with Professor Williams.
Greenspan is famous for his syntax, in other words, ______.
A. he is skillful for hiding his opinion
B. he has excellent grammar and vocabulary
C. he always lies to the American public
D. he gives lots of well-known speeches
A．He will make posters.B．He will write a speech.C．He will answer questions.D．He will s
A. He will make posters.
B. He will write a speech.
C. He will answer questions.
D. He will study chemistry.
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