1994年，山西矿院充分发挥学生会的作用，成立了（）。 ["学生自律委员会","学生就促会","学生志愿者协会","学生学习交流会"]
验资户提前销户时如何操作？
When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning（）. ["The safety of navigation or important meteorological warnings","The safety of a vessel or a person is in jeopardy","A vessel in need of immediate assistance","A coast station traffic list"]
韩愈对性三品的贡献在于（）。 ["提出了性三品的划分标准","提出了性三品说","否定了性三品说","提出了性三品的前提条件"]
宝马7系后悬挂多采用什么悬架？
依据华电集团《电力安全工作规程》（热力和机械部分）使用电气工器具前必须做哪些检查？
