【单选题】常用照相机光圈系数的排列顺序:( )
A.
f/2、f2.8、f/4、f/5.6、f/8、f/16、f/20
B.
f/1.4、f/1.8、f2.8、f/4.8、f/6、f/8
C.
f/1.4、f/2、f2.8、f/4、f/5.6、f/8
【单选题】卖大米的商家建立顾客数据库,将顾客每次购买时间记录下来,研究并发现规律,估计顾客大米即将用完时即与顾客联系并送货上门。这是利用了
【单选题】地方菜和菜系是根本不同的两个概念,主要区别在于()。
【简答题】A) H e set a record by swimming to and from an island. B) He celebrated his ninth birthday on a small island. C) He visited a prison located on a faraway island. D) He swam around an island near San F...
【单选题】常用照相机光圈系数的排列顺序()
A.
F/2、F/4、F/5.6、F/8、F/16、F/20
B.
F/1.4、F/1.8、F/2.8、F/6、F/8
C.
F/1、F/2、F/3、F/4、F/5、F/6、F/7
D.
F/1.4、F/2、F/2.8、F/4、F/5.6、F/8
【单选题】Questions 1 and 2 are based on the news report you have just heard. 1. A) He set a record by swimming to and from an island. B) He celebrated his ninth birthday on a small island. C) He visited a pris...
A.
He set a record by swimming to and from an island.
B.
He celebrated his ninth birthday on a small island.
C.
He visited a prison located on a faraway island.
D.
He swam around an island near San Francisco.
【简答题】菜系是指在一定区域内,菜点烹制手法、原料的使用范围、菜品特色等方面出现相近或相似的特征,自觉或不自觉地形成了烹饪派别,这种派别就是所谓的菜系。那么,菜系的形成主要有哪几个因素呢?