__________ is the driving force of Apple's development.
查看答案
推荐信的开头可以用："I definitely believe that he will be an asset to your company."
A. 对
B. 错
推荐信的正文部分可以对被推荐人的能力、表现和性格等进行评价。
A. 对
B. 错
推荐信的结尾可以用："I'm writing to recommend an excellent student to you."
A. 对
B. 错
微信支付 
支付宝支付