1.While this law is not without humor by today's standards, it clearly shows an awareness of the problem in times gone by.
2.the motives for suicide can be categorized into areas such as failure, wrath(暴怒), the need for attention, stress, and so on.
3.To make the problem even more involved, people will often camouflage(掩盖)their true feelings, thus causing their friends to disregard problems that should be viewed as serious.
4.Henry's goal was to design and equip vessels that would be capable of making long ocean voyages without having to hug the shore.
5.Coal was one of the first minerals to be mined on a big scale, to provide fuel for heating homes.