case意義：
n.事例，實例，事實，情況;病例;案件;箱，盒，套;手提箱
搭配：
a case in point有關(guān)的事例，例證
a case in point恰當?shù)睦?BR> in any case無論如何，不管怎樣
in case假使，以防(引導虛擬語氣)
sum up the case概括事實
in case of假如，如果發(fā)生;防備
in no case無論如何不，決不
in this/that case如果這樣。那樣的話
a case of measles麻疹病例
appeal a case申述
pack a case裝箱
in the case of就…。。來說，至于
as the case may be看情況，根據(jù)具體情況
辨析:
case:事實，事例，情況，其可籠統(tǒng)地指一個完整的論題，也可表典型的事例，也可用于表醫(yī)學上的病例或法律上的案例。
instance:為正式用詞，指從事實中援引單獨事例，隱含其典型性
重難點:
語法規(guī)則：in case意為“假使；免得，以防(萬一)”。In case引導的從句可以用陳述語氣，也可用虛擬語氣，虛擬形式為should+動詞原形
真題:
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