各高加正常运行中主要监视哪些参数？
参考答案：
高加水位、汽侧压力、进、出口水温、端差。
下列规范性文件中，不能设定行政许可的是（）。
A．地方性法规
B．部门规章
C．国务院决定
D．省、自治区、直辖市政府规章
It was not until Mum agreed to buy him a computer, _______ was his favorite, _______ the boy promised to study hard.
A．that; that
B．which; that
C．that; which
D．which; which
