单项选择题

Which one of the following is a sign of heart failure

A．Breathing difficulties.
B．High blood pressure.
C．Headache.
D．High body temprature.
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Who is Eugene Lang
A．A successful US businessman.
B．A successful Chinese businessman.
C．A US teacher.
D．A priest.
单项选择题
What can you infer from the passage
A．Most of the Americans love Pete Seeger's version of'' America the Beautiful".
B．Americans are going to vote for a new national anthem to replace the old one.
C．There are a lot of different versions of the song" America the Beautiful".
D．Americans singing the official national song will think of 9/11 terrorist attacks.
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