单项选择题

A．Only humans respond to emotions by shedding tears.B．O……

Questions 32 to 35 are based on the passage you have just heard.

A．Only humans respond to emotions by shedding tears.
B．Only humans shed tears to get rid of irritating stuff in their eyes.
C．Only human tears can resist invading bacteria.
D．Only human tears can discharge certain chemicals.

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填空题Wilcox’s father had occasionally sold the relics found in his land since 1951.

单项选择题We can learn from the first paragraph that laughter ______ .

A．can resolve people’s opposition to each other
B．is a universal feature shared by human beings
C．plays a biological role unlike other bodily process
D．has nothing to do with people’s sense of humor

填空题Some Americans try to make themselves feel less guilty by attributing the poverty of the working people to ______ .

填空题corrupting

单项选择题A．Late in the morning.B．Early in the afternoon.C．Sometime before dawn.D．Shortly after sunrise.

A．Late in the morning.
B．Early in the afternoon.
C．Sometime before dawn.
D．Shortly after sunrise.