选择题：He once worked in a company, _____ he went abroad

题目内容：

He once worked in a company, _____ he went abroad for further study(本题2.0分)
A、 from which
B、 after that
C、 after which
D、 from this

参考答案：

柯西问题指的是( )A.微分方程和边界条件B.微分方程和初始条件C.微分方程和初始边界条件D.以上都

柯西问题指的是( )A.微分方程和边界条件B.微分方程和初始条件C.微分方程和初始边界条件D.以上都不正确

His smile ______ to a grin, bringing up an excitement in the group.(本题3.0分) A、 b

In the next five years, we will see some ______ recovery.(本题2.0分) A、 economy B、

欧洲“新学校运动”中最早开设的一所新学校是（　　）。A.乡村教育之家B.罗杰斯学校C.艾博茨霍姆学校D.公民学校