根据适当过度学习原则,如果一个学生学10次刚好记住一个英语单词,那么他的实际学习次数应该是()。
—I’m surprised to hear that Sue and Paul have _____. —So am I. They seemed very happy together when I last saw them.
下列哪句说法是错误的?( )
《荷塘月色》的作者是( B)。
实物直观的优势在于容易突出事物的本质要素和关键特征。()