A.F₁≈F₂
B.F₁/F₂=eμα
C.F₂/F₁=eμα
A.Ca(OH)2破坏法
B.Br2—稀H2SO4破坏法
C.H2SO4-H2O2破坏法
D.无水Na2CO3破坏法
E.KNO3—无水Na2CO3破坏法
A.△rHmθ<0,△rSmθ>0
B.△rHmθ>0,△rSmθ<0
C.△rHmθ<0,△rSmθ<0
D.△rHmθ>0,△rSmθ>0
建筑材料期末考试试题:粉煤灰水泥后期强度发展快的最主要原因是( )水化反应生成物越来越多的结果。
A、活性SiO2和Al2O3与C3S ;
B、活性SiO2和Al2O3与Ca(OH)2;
C、二次反应促进了熟料水化
D、(b+c)
【D5】
SPEAKER A: DO YOU KNOW BEIJING OPERA? SPEAKER B: OF COURS
E. 【D5】______ SPEAKER A: CAN YOU INTRODUCE BEIJING OPERA TO ME? I WANT TO KNOW SOMETHING ABOUT IT. SPEAKER B: WELL, THE PLOT OF A BEIJING OPERA IS NOT SO COMPLICATE
D. AND THERE ARE FOUR MAIN TYPES OF CHARACTER: THE LEAD, THE FEMALE LEAD, THE PAINTED FACE AND THE CLOW
N. SPEAKER A:【D6】______WHAT"S THAT? SPEAKER B: YES, THE CHARACTERS ARE DIFFERENTIATED BY THEIR FACES. FACES ARE PAINTED IN DIFFERENT PATTERNS WITH DIFFERENT COLORS TO REVEAL THEIR INSISTENT CHARACTERS. SPEAKER A: OH, THAT MAY BE VERY INTERESTIN
G. SPEAKER B: SURE, THE MAKE-UP IN BEIJING OPERA IS ALMOST AN ART IN ITSEL
F. SPEAKER A: IT" S WONDERFUL. I WANT TO GO AND SE
E. SPEAKER B: 【D7】______ SPEAKER A: WHAT A GOOD IDEA! A. I HEARD THE FACE OF BEIJING OPERA IS VERY FAMOUS.
B. WHY NOT GO WITH ME JUST TONIGHT?
C. I WAS BORN IN BEIJIN
G.
D. I AM INTERESTED IN BEIJING OPERA.
【D6】
SPEAKER A: DO YOU KNOW BEIJING OPERA? SPEAKER B: OF COURS
E. 【D5】______ SPEAKER A: CAN YOU INTRODUCE BEIJING OPERA TO ME? I WANT TO KNOW SOMETHING ABOUT IT. SPEAKER B: WELL, THE PLOT OF A BEIJING OPERA IS NOT SO COMPLICATE
D. AND THERE ARE FOUR MAIN TYPES OF CHARACTER: THE LEAD, THE FEMALE LEAD, THE PAINTED FACE AND THE CLOW
N. SPEAKER A:【D6】______WHAT"S THAT? SPEAKER B: YES, THE CHARACTERS ARE DIFFERENTIATED BY THEIR FACES. FACES ARE PAINTED IN DIFFERENT PATTERNS WITH DIFFERENT COLORS TO REVEAL THEIR INSISTENT CHARACTERS. SPEAKER A: OH, THAT MAY BE VERY INTERESTIN
G. SPEAKER B: SURE, THE MAKE-UP IN BEIJING OPERA IS ALMOST AN ART IN ITSEL
F. SPEAKER A: IT" S WONDERFUL. I WANT TO GO AND SE
E. SPEAKER B: 【D7】______ SPEAKER A: WHAT A GOOD IDEA! A. I HEARD THE FACE OF BEIJING OPERA IS VERY FAMOUS.
B. WHY NOT GO WITH ME JUST TONIGHT?
C. I WAS BORN IN BEIJIN
G.
D. I AM INTERESTED IN BEIJING OPERA.