【单选题】Do you know that the first textbooks written for teaching English as a foreign language ____ in the 16th century?
【单选题】假设x与y为double型,则表达式x=2,y=x+3/2的值为?
【单选题】假设x与y为double型,则表达式x=2,y=x+3/2的值为?
【单选题】假设x与y为double型,则表达式新,yx+3/2的值为?
【简答题】上图是王冕的《墨梅图》,枝上的花朵、花蕾,都用淡墨点染,浓墨点蕊,挺拔有力,极富生气。画上题诗一首: 吾家洗砚池头树,个个花开淡墨痕。不要人夸好颜色,只留清气满乾坤。 这表现了怎样的道德观念?
【单选题】The first textbooks for teaching English as a foreign1anguage came out in the 16th centry .