题目

 He ____ more than 5,000 English words when he entered the university at the age of 18   A. has learned    B. would have learned    C. learned    D. had learned 答案：D下列对青春期特征的描述，不正确的是（ ）A．心肺等器官的功能明显增强B．身高突增C．男孩出现遗精，女孩会来月经D．男孩往往比女孩更早进入青春期