【简答题】从5名外语系大学生中选派4名同学参加广州亚运会翻译、交通、礼仪三项义工活动,要求翻译有2人参加,交通和礼仪各有1人参加,则不同的选派方法共有 ______种.
【简答题】从5名外语系大学生中选派4名同学参加广州亚运会翻译、交通、礼仪三 项义工活动,要求翻译有2人参加,交通和礼仪各有1人参加,则不同的选派方法共有 . (用数字作答)
【多选题】在课堂培训中,讲授法是指教师按照准备好的讲稿,系统地向受训者传授知识的培训方法,其缺点在于()
【简答题】About platform: 1. What is Cross-border E-commerce? 2. Compared with traditional business, what are the advantages and disadvantages of E-commerce? How many cross-border E-commercewebsites do you know...
【单选题】What is the main patterns of early cross border e-commerce?
A.
Selling cheap but good-quality goods and OEM.
B.
Selling dear and good-quality goods and OEM.
C.
Selling cheap and bad-quality goods and OEM.
D.
Selling dear and bad-quality goods and OEM.
【判断题】安全事件发生的概率小,没有必要随身鞋带防狼喷雾
【判断题】由α-Fe转变为γ-Fe是属于同素异构转变。