问题
选择题
would you like to have ________ tea?[ ]
A. some
B. any
C. much
D. a little
答案
A
搜题请搜索小程序“爱下问搜题”
would you like to have ________ tea?[ ]
A. some
B. any
C. much
D. a little
A
下列反应的离子方程式正确的是
| A．硫化亚铁中加入稀硫酸 2H++S2－→H2S↑
| B．向苯酚钠溶液中通入少量的CO2－O－＋CO2＋H2O→－OH＋HCO |
| C．向碳酸氢钠溶液中滴入少量石灰水 HCO+Ca2++OH－→CaCO3↓+H2O | |
D．向明矾溶液中加入过量的氨水 A13++3NH3·H2O→Al(OH)3↓+3NH |
