单项选择题

A．The amount of tears can be adapted.
B．Crying affects the feelings.
C．Tears discharge chemicals built up during stress.
D．Crying leads to producing more chemicals in mars.
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单项选择题
A．To read the book by the famous British writer.B．To cover their eyes during a period of intensive reading,C．To visit doctors of traditional Chinese medicine.D．To relax their eyes frequently while reading.
A．To read the book by the famous British writer.
B．To cover their eyes during a period of intensive reading,
C．To visit doctors of traditional Chinese medicine.
D．To relax their eyes frequently while reading.
单项选择题
A．The man enjoyed the beauty of the evening sky from his plane.B．The man had a time bomb bidden in his suitcase.C．The ticking noise of the alarm clock caused him a little trouble.D．The airline official and the police officer played a joke on him.
A．The man enjoyed the beauty of the evening sky from his plane.
B．The man had a time bomb bidden in his suitcase.
C．The ticking noise of the alarm clock caused him a little trouble.
D．The airline official and the police officer played a joke on him.
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