单项选择题
Airport security was extra tight（）yesterday's bomb attacks.
A.in the wake of B.since C.inspite of D.during
单项选择题 There was a 0.3 per cent rise in the cost-of-living （）
单项选择题 On his back the man carried a heavy（）of old clothes.
单项选择题 Only the most sophisticated theories of modern physics can（）this phenomenon.
