单项选择题


Passage Three
Questions 32 to 35 are based on the passage yon have just heard.

A．Picture taking.
B．Memory.
C．Language learning.
D．Poem writing.
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单项选择题
How did scientists discover the source of lead pollution in Greenland
A．By analyzing the data published in journals like Nature and Ambio.
B．By observing the lead accumulations in different parts of the arctic area.
C．By studying the chemical elements of soil and snow in Northeastern America.
D．By comparing the chemical compositions of leaded gasoline used in various countries.
单项选择题
A．It is a policeman.B．It is an educative TV show in Ivory Coast.C．It is an educative TV show in South Africa.D．It is an educative TV show in India.
A．It is a policeman.
B．It is an educative TV show in Ivory Coast.
C．It is an educative TV show in South Africa.
D．It is an educative TV show in India.
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