阅读下面材料，根据要求回答问题。
[教学材料]If you say the word "communication", most people think of words and sentences. Although these are very important, we communicate with more than just spoken and written words. Indeed, body positions are part of what we call "body language". We see examples of unconscious body language often, yet there is also "learned" body language, which varies from culture to culture.
[教学实录]Step 1 Pre-reading
Show some pictures about body language on the screen and then ask the students some questions.
T: What do you do when you are introduced to someone
S1: I shake hands and say, "Pleased to meet you".
Step 2 While-reading
Task 1 Skimming
T: Read the passage quickly and choose the best title.
A: Saying it Without Words
B: When in Rome, Do As the Romans Do
C: Greetings. Around the World
D: Read My Mind 案例分析
以上教学案例是根据所给教学材料进行的Pre-reading和While-reading环节的教学实录。请根据新课程理念，对以上Pre-reading和While-reading环节的教学过程进行评析，指出该教师教学过程中存在的优缺点，并说明理由。