当今许多大学生不能成材，关键是生活条件太好，所以要把他们赶到最艰苦的地方磨练才能改变这种状况
参考答案：错
As technological advances put more and more time between early school life and the young person's final access to specialized work, the stage of______becomes an even more markedand conscious period.
A．adolescence
B．adjacency
C．advantage
D．adventure
最常见的条件致病菌引起的内源性感染有（）
A.上呼吸道感染
B.泌 * * 感染
C.中枢神经系统感染
D.下呼吸道感染
E.抗生素相关性腹泻
