单项选择题A．share prices reach a record low.B．trading has been suspended twice.C．the world economy is rather weak.D．market mechanisms are not functioning well.

单项选择题A．the president’s familyB．the president’s integrityC．officials’ abuse of moneyD．officials’ illegal mansions

单项选择题A．Keith comes to interrupt him.B．Keith has made serious mistakes.C．he may not have time till late.D．he would have to work in a factory.

单项选择题A．serve in the House of Representative.B．shoot down Vietnamese air planes.C．heal the prison wounds.D．heal the war wounds.

单项选择题In more than five hundred poems she had written about nature, Dickinson expressed her ______ about the relationship between man and nature.