若变压器在电源电压过高的情况下运行．会引起铁芯中的磁通过度（）、磁通（）发生畸变。
参考答案：饱和、波形
常用来监测水质污染状况的单细胞生物是 [ ]
A．酵母菌
B．草履虫
C．小球藻
D．眼虫
The belief is the legendary lost continent of Atlantis may someday be found.
A．It is believed that
B．It is believing that
C．The belief that
D．That belief is
