【判断题】剧本的选择和再加工是微电影创作的第一步,也是最为关键的一步。()
【判断题】剧本的选择和再加工是微电影创作的第一步,也是最为关键的一步
【判断题】剧本的选择和再加工是微电影创作的第一步,也是最为关键的一步。
【单选题】If there are two producers and two products, which of the following cannot happen?
A.
A producer has an absolute advantage on one product
B.
A producer has the comparative advantage on both products
C.
A producer has the comparative advantage on one product
D.
A producer has an absolute advantage on both products
【判断题】天气预报包括天气形势预报和气象要素预报。()