单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage , you will be giv en 15 seconds to answer the questions.
Now, listen to the passage.
What is the passage going to tell us

A．The functions of colors.
B．The great finding of the psychologists.
C．The best way to make use of colors.
D．The effects of colors on people.

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单项选择题

单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage , you will be giv en 15 seconds to answer the questions. Now, listen to the passage. What is the passage going to tell us 您的浏览器不支持 audio 元素。