case
意义：
n.事例，实例，事实，情况;病例;案件;箱，盒，套;手提箱
搭配：
a case in point 有关的事例，例证
a case in point 恰当的例子
in any case 无论如何，不管怎样
in case 假使，以防(引导虚拟语气)
sum up the case 概括事实
in case of 假如，如果发生;防备
in no case 无论如何不，决不
in this/that case 如果这样。那样的话
a case of measles 麻疹病例
appeal a case 申述
pack a case 装箱
in the case of 就…。。来说，至于
as the case may be 看情况，根据具体情况
辨析:
case:事实，事例，情况，其可笼统地指一个完整的论题，也可表典型的事例，也可用于表医学上的病例或法律上的案例。
instance:为正式用词，指从事实中援引单独事例，隐含其典型性
重难点:
语法规则：in case意为“假使；免得，以防(万一)”。In case引导的从句可以用陈述语气，也可用虚拟语气，虚拟形式为should+动词原形
真题:
I was advised to arrange for insurance _____I needed medical treatment.
A)nevertheless B) although C)in case D)so that
I left for the office earlier than usual this morning _________traffic jam.
A)in line with B)for the sake of C)in case of D)at the risk of
We left the manager a note________ he wanted to know where we were.
A)if B)in case C)so that D)unless
The lawyer advised him to drop _________,since he stands little chance to win.
A)event B)incident C)case D)affair
答案：C C B C
