四级听力基本音变

1.连读linking ：
前辅，后元。

1) 辅音+元音
come out Look at that fat man. take it off drop in put on bend over keep on an orange one of us half an hour read it stand up put it on not at all
first of all a cup of tea take it easy back in a minute in an hour
pick it up an hour and a half let him in
2) /r/ +元音
far away after all for ever a pair of
our own there is there are for example
After all, this is our own home.
3) 元音+元音/u/+/ w/+元音
go on how old go away try again
4) /i/+/j/+元音
How are you?
No end Say it again. I am who else
We are ... see it try it see off
any other we agree May I
two o’clock in the afternoon
2. 失去爆破：前爆破，后辅音。

/p/, /b/, /t/,/d/,/k/,/g/
blackboard goodbye football active postcard September October
a good girl next time first period stop talking
bad cold pocket book keep quiet sit down wet ground next door
waste time a great deal hard times quite different take care advice picture
in advance red fish lipstick jungle upstairs thanks old friends
loud voice we will get there ask them deep snow good jobs short story
red stars a bit shy first visit /date get through quite sure just then
good student just think considerate bright sky ask them keep silent
a smart shirt/blouse cold drink a sweat dream the express train
3浊化：以/s/音开头或重读，后面跟./p/,/t/,/k/,/tr/变成/b/,/d/./g/./dr/
Student, stress, sky, speak, skirt, skip the class, school, street, straight,
Spoon, space, spicy, spark, skin
在听的过程完全可以遵循这个脉络，从who入手，说话人中，重要的说话信息一般在第二说话人中，他说了什么，是我们做题的重点，即所谓的关键词。

通过的途径一般有两种，conversation与paragraph，to whom 就是我们自己，而效果的考核就是我们题目。

分析至此，可以发现，即使我们空缺中间say what 的过程，也可以得到至少四个过程，而最后一个过程效果分析，是可以通过四、六级考题出现的。

所以，我们的听力考试实际上是逆向思维的过程，即了解了效果，通过效果推测原文，再将say what 过程补充出来。