Where did x-ray nickname come from

In the excerpt above why does meursault say that czechoslovakian man got what he deserved ?

25 ! which three lines in this excerpt from phillis wheatley's poem "goliath of gath" contain examples of figurative language? the hosts on two opposing mountains stood, thick as the foliage of the waving wood; between them an extensive valley lay, o'er which the gleaming armour pour'd the day, when from the camp of the philistine foes, dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

What syllables in "arrived" are stressed/unstressed?