A：乙酸与碳酸钠溶液反应：2H+＋CO== CO2↑＋H2O
B：醋酸溶液与新制氢氧化铜反应：2CH3COOH＋Cu(OH)2 —→Cu2+＋2CH3COO－＋2H2O
C：苯酚钠溶液中通入少量二氧化碳：2C6H5O－＋CO2＋H2O2C6H5OH＋CO
D：甲醛溶液与足量的银氨溶液共热
有效控制长江水患，造就“天府之国”的水利工程（ ）
A：Hi，Mike.
B：____How are you?
A：I'm fine，thanks.____
B：It's a quilt.
A：____
B：QUILD.
A：No.____What color is it?
B：____It's a white quilt.
A：Yes. Thank you.
A. It's Q.
B. It's white.
C. Hi，John.
D. It's QUILT.
E. Spell it，please.
F. What's this?
G. Good evening，John.
旅游途中，张杨同学在超市购买了一瓶××牌矿泉水，商标上注有“皖卫食证字［2009］第××06”字样，于是他断定此矿泉水注册于（ ）
