岳阳楼的双公祠中有一幅对联:“双公双绩双德,联珠壁,会风云,昭日月,文坛佳话播九州。”请问这里的“双公”是指哪两位名人?
参考答案:这里的“双公”是指范仲淹和藤子京。
Actions speak _______ than words. [ ]
A. loud
B. louder
C. loudest
现有物质的量浓度相同的7种溶液:(a)NaHSO4;(b)NaHCO3;(c)H2SO4;(d)Al2(SO4)3;(e)Na2CO3;(f)Na2SO4;(g)Ba(OH)2;pH由小到大的顺序为( )
A.(c)(a)(b)(d)(f)(e)(g)
B.(c)(a)(d)(f)(b)(e)(g)
C.(g)(e)(b)(f)(d)(a)(c)
D.(c)(a)(d)(f)(e)(b)(g)