下列变化需要加入氧化剂才能实现的是 [ ]
A.NaOH→NaCl
B.H2SO4→H2
C.HCl→Cl2
D.CaCO3→CO2
答案：C
China is a peace-loving country and _____no circumstances _____ first use nuclear weapons. [ ]
A. on; will China
B. on; China will
C. under; will China
D. under; China will
整存整取存单账户部分提前解约可使用哪些交易（）
A.1345
B.3045
C.345
D.1360
