单项选择题
A．The arrangement of the Wednesday meeting. B．Where they are going to meet Mr. Johnson. C．The necessity of writing to Mr. Johnson. D．Who is going to contact Mr. Johnson.
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.
A．Because it keeps you calm. B．Because it strengthens your memory. C．Because it stimulates your nerve activity. D．Because it improves your problem solving strategies.