argument
n. 争论, 争吵, 辩论;说理, 论证;论据, 论点, 理由
1.They were having an argument about whose turn it was to do the
cooking.
他们为该轮到谁做饭而争吵不休。
2.There is not much meat in this argument.
这番议论没什么内容。
3.The government's argument is that they must first aim to beat
inflation.
政府的论点是必须首先着眼于抑制通货膨胀。
blueprint
n. 蓝图, 设计图
1.All the machine parts on a blueprint must answer each other.
设计图上所有的机器部件都应互相配合。
2.The construction of a music hall is still on the blueprint stage.
音乐厅的建造还在筹划的阶段。
convention
n. (某一职业、政党等的人士召开的)大会 ;习俗, 惯例;协议, 协定
辨析：convention是大会，年会，常指某个团体为某一目的开的会，也指团体
的年会；congress是代表大会，指团体和国家的代表的正式会议，以交流情况。conference，讨论会，协商会。
1.At the recent convention a declaration was adopted.
在最近举行的大会上通过了一项宣言。
2.Convention dictates that a minister should resign in such a
situation.
依照常规部长在这种情况下应该辞职。
3.Japan has signed a convention of peace with a neighbouring country.
日本已与邻国签署一项和平协定。
crude
adj. 天然的, 未加工的 ;简陋的, 粗糙的, 未加修饰的;粗鲁的, 粗俗的, 粗
野的
辨析：原材料英文为raw material；原油为 crude oil；原始人为primitive
people。
1.Last night a cargo ship collided with a tanker carrying crude oil.
昨晚一艘货轮与一艘载着原油的油轮相撞。
2.The cottage wears a very crude appearance.
那幢农舍外观颇为简陋。
3.The boy is crude enough to stick his tongue to his own sister.
那个男孩太粗野了, 居然对他妹妹伸舌头。
