5. cure v.治愈(病人)；治好(疾病)；矫正，改正(某人的不良行为)；解决(问题)；n.治疗；疗程

cure sb.of...治愈某人的......；矫正某人的......

a cure for...针对......的治疗

take a cure接受治疗

An operation finally cured his shin injury.手术最终治好了他胫部的伤。

We need to cure our environmental problems.我们需要解决我们的环境问题。

[词义辨析]　cure，treat

(1)cure表示"治愈"，宾语既可以是人，也可以是疾病，有时也表示"矫正；革除"。

(2)treat表示"治疗"时，多接人作宾语，强调治疗动作，并不说明是否治愈。

6. declare v.宣告；宣布；声明；表明；宣称

declare...to be...宣布......为......

declare war on...向......宣战

declare for/against表示赞成/反对

He declared his intention to become the best golfer in the world.

他表明自己想成为世界上最好的高尔夫球选手。

The U.N.has declared it to be a safe zone.联合国已宣布它为安全区。

7.range from...to...从...到...

range n.种类；系列

辨析range from...to.../change from ...to...

易混词组 语义 区别 range from...to... 从......到...... 指范围的变化 change from ...to... 从......变成...... 指性质、状态的变化 The fronter ranges from the northern hill to the southern coast.边界从北部山地一直延伸到南部海岸。

Can I change my reservation from the fifth to the seventh?我能把我的预约从五号改到七号吗？

8.although 引导让步状语从句

辨析although/though/as

易混词组 语义 区别 although 尽管 通常情况下两者可互换，但是though可以引起倒装，作副词时可放在句尾 though 尽管 as 尽管 引导让步状语从句时从句部分需要部分倒装 Although/Though it was raining hard, yet they went on playing football.

虽然雨下得很大，但他们还是继续踢足球。

Tired as/ though he was, he still went on with his work.尽管很累，他还是继续工作。

9.be about to 即将，正要