2019-2020学年度人教版必修二Unit1Cultural relics Period2 Language points学案

1.rare 稀少的，罕见的；珍贵的；三分熟

辨析：

易混词 辨析 例句 rare 通常指罕见而有价值的事物。 He replaced the rare vase with/ by a false one. scare 主要指有用的一般事物，但目前数量不够。 Water is scare in the desert. uncommon/unusual 指因不经常发生而值得注意的事物。 It's no longer uncommon/unusual for a girl to take part in the games now.

2.valuable adj.有很大价值的，贵重的，有用的；n.贵重物品

This is a valued gift though it is hardly valuable.主观上valued的东西，客观上不一定valuable。

3.survive

(1)vi.继续生存或存在