以冷汗淋漓,四肢厥冷,面色苍白,脉微欲绝为主要表现的证候是()
A.亡阴证
B.亡阳证
C.阳虚证
D.阴虚证
E.阴阳两虚证
参考答案:B
The new kind of car is _____ dear, I don't have _____ money.[ ]
A. too much; much too
B. much too; too much
C. too much; too much
D. much too; much too
下列说法正确的是
A.在101kPa时,1molC与适量O2反应生成1molCO时,放出110.5kJ热量,则C的燃烧热为110.5kJ/mol
B.在101kPa时,1molH2完全燃烧生成液态水,放出285.8kJ热量,H2燃烧热为
—285.8kJ/mol
C.测定HCl和NaOH反应的中和热时,每次实验均应测量3个温度,即盐酸起始温度、NaOH起始温度和反应后终止温度
D.在稀溶液中:H+(aq) + OH--(aq) ="==" H2O(l);△H= —57.3kJ/mol,若将含0.5molH2SO4的浓硫酸与含1molNaOH的溶液混合,放出的热量等于57.3kJ