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单项选择题

Why are upright pianos popular

A．Jazz and popular music sound better on them.
B．They sound as good as grand pianos.
C．They are easy to move around.
D．They occupy space.
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热门试题

单项选择题The US military says the joint military action is aimed to _______.

A．drive off Iraqi planes in the no-fly zone
B．ensure a safe environment for planes patrolling the no-fly zone
C．wipe out Iraqi air force
D．support anti-government groups in Iraq

单项选择题What is discussed as a new part of the medical facilities

A．Physical therapy equipment.
B．Nuclear medicine room.
C．A new operation room.
D．A restaurant.