四、Give the news story below an English headline：（閱讀下列新聞稿後，請為該新聞下貼切的英文標題）（10 分）PARIS, NOV. 15 — France bombed the Syrian city of Raqqa on Sunday night, its mostaggressive strike against the Islamic State group it blames for killing 129 people in a stringof terrorist attacks across Paris only two days before.President François Hollande, who vowed to be “unforgiving with the barbarians” of theIslamic State after the carnage in Paris, decided on the airstrikes in a meeting with hisnational security team on Saturday, officials said.While France has been conducting scores of airstrikes against the Islamic State in Iraq, ithad been bombing inside Syria only sparingly, wary of inadvertently strengthening thehand of President Bashar al-Assad by killing his enemies.