How many popular jobs are there in China according to the video? （视频中提到的中国比较受欢迎的职业有几个？）
A: 4
B: 5
C: 6
A: 4
B: 5
C: 6
举一反三
- How many tips are given in the video? A: 4 B: 5 C: 6 D: 7
- How many municipalities are in China？（ ） A: 4 B: 5 C: 3 D: 6
- How many formation approaches of cyber language are involved in this video A: 3 B: 4 C: 5 D: 6
- How many types of logistics can be classified according to their functions? A: 4 B: 5 C: 6 D: 7
- How many types of business letters mentioned in the Teaching video 1?教学视频1中提到了商务信函有几种类型？