I.词语辨析
1. another / other / more：再、又、另
another：与数词连用，应放于数词前面。 e.g. another three days
other：与数词连用，应放于数词后面，名词前面。 e.g. three other days
more：与数词连用，应放于数词后面，名词前面或后面。
e.g. three more days = three days more
2. priceless / valueless / worthless
priceless：无价的、宝贵的
e.g. Your advice is priceless to all of us.
valueless：没有价值的、毫无用处的
e.g. This ring is made of brass. It is valueless.
worthless：毫无价值、无用
e.g. That piece of land he bought proved to be worthless.
3. contain / include
contain：vt. 包括（全部）、含有（成分）、容纳
