李诫
参考答案:
宋代将作监,著有《营造法式》(1003)。(记录官式建筑做法)
—I'm not sure _____ there are living things on other planets or not.
—Even scientists aren't sure about it.
A. whether
B. where
C. why
启动条件界面显示常规条件、()、推进、螺旋输送机、()及泡沫等系统的启动条件。