练习：
Lifeline thrown to city's bookstores
Al-Qaida, Taliban rift emerges
Flight delays decrease in 2011
Aussie FM resigns in leadership spat
More US kids living in high-poverty areas
Hearing ends without ruling over iPad name
Foodies drive gourmet market boom in S. Africa
ROK, US launch annual drills despite warning
Iran denies nuke activity at military site
Putin's foreign policies likely to tilt toward Asia
Investment to be stimulated
Texas school district embarks on widespread iPad giveaway
Leaders, lawmakers discuss work report
Forced labor outlawed for people in detention
Anti-austerity protests fall flat in much of Europe
Charities open to religious groups
Human rights added to draft law
Despite ban, smoking is rampant in Internet bars
Elderly junkies find 'real freedom' at Dutch home
Gillard 'confident' she will stay as PM
Deputy FM in Syria to urge end to violence
Expats get wide range of services at new Pudong center
Iran stops sales of crude oil to UK, France
Bin Laden's compound demolished
Cracks near super tower prove unsettling
Shanghai court postpones iPad decision
Two girls commit suicide in pursuit of time travel fantasy
US, Philippines to hold joint military exercises
Yemen's Saleh to seek exile in Ethiopia
Comic collection could yield serious money