体现古希腊著名思想家柏拉图的教育思想的著作是( )。
A．《太阳城》 B．《理想国》 C．《政治学》 D．《乌托邦》
参考答案：B
—_____ _____ you born?
—In a town near Tianjin. [ ]
A. When were
B. Where did
C. Where were
D. Where was
采集水样测定微量金属离子时，采用玻璃瓶较好。( )
