A. 信用履约评价 B. 偿债能力评价 C. 盈利能力评价 D. 经营及发展能力评价 E. 综合评价
A. smoke sensors B. the difference in thermal expansion of two dissimilar metals C. pressure loss due to air being heated D. an electric eye which actuates when smoke interferes with the beam
A. 正确 B. 错误
A. 首相 B. 总理 C. 君主 D. 总统