师夷制夷尝试的失败说明：摆脱民族危机不能走西化的模式，否则，只能陷入“老师总是打学生”的困境。中国只能走适合国情的道路。
参考答案：对
He ＿＿articles for our wall-newspaper these three years, and he ＿＿about forty articles.
A．has been writing； has written
B．has been writing； wrote
C．is writing； has been writing
D．has written； has written
颗粒剂需要进行的特殊检查为（）
A.水分
B.溶化性
C.均匀度
D.外观性状
E.崩解时限
