单项选择题


Passage One
Questions 26 to 29 are based on the passage you have just heard.

A．To test the role of environment in the development of intelligence.
B．Because their parents were too poor to support them.
C．Because their parents passed away.
D．To find out how well twins grow in separate homes.
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单项选择题
A．He didn’t know that she was enrolled in a linear algebra course.B．He thought she preferred to study alone.C．He thought she had made arrangements to study with.D．He had told her that he had done poorly on a recent test.
A．He didn’t know that she was enrolled in a linear algebra course.
B．He thought she preferred to study alone.
C．He thought she had made arrangements to study with.
D．He had told her that he had done poorly on a recent test.
单项选择题
A．They didn’t know how much each person owed for telephone calls.B．They couldn’t understand each other since they speak different languages.C．They had difficulty deciding who should cook.D．They had different lifestyles.
A．They didn’t know how much each person owed for telephone calls.
B．They couldn’t understand each other since they speak different languages.
C．They had difficulty deciding who should cook.
D．They had different lifestyles.
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