胜败反应是人经历战斗感觉胜利或失败时出现的身体动作反应。()
A. 对
B. 错
At what point in the writing process should we brainstorm?
A. at the beginning
B. at the final
C. at the end
D. in the middle
E. always
For the limited-capacity tour programs, the use of _____ is a convenient way to reduce cost.
The most important factors for the travel agents to succeed are ______.