单项选择题

A．A teacher of economics.
B．A professor of studying happiness.
C．A consultant on economic affairs.
D．A specialist in political science.
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但反对利用捐赠款来防止学费增长的大学官员认为这些措施对于那些受到学费增长打击最大的学生并无实质性的帮助。
单项选择题
A．To determine whether the Earth’s temperature is going up.B．To study the behavior of some sea animals.C．To measure the depth of the ocean.D．To measure the movement of the ocean.
A．To determine whether the Earth’s temperature is going up.
B．To study the behavior of some sea animals.
C．To measure the depth of the ocean.
D．To measure the movement of the ocean.
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