通过短信如何申请服务密码?
参考答案:
编辑“6013”发送至10086,根据反馈短信提示操作。
Complete the dialogue with proper words or sentences.
A:Hello.May I小题1: Mr Brown?
B:Sorry,he isn’ t in .He小题2: to France.
A:Well,then do you know小题3: ?
B:He said he could return in a month.
A:Oh,such a long time .小题4: can I get in touch with him?
B:You may小题5: .
A;What’s his telephone number ?
B:It’s 00344760488523.
下列离子方程式,书写正确的是
A.钠投入水中:Na+H2O=Na++OH-+H2↑
B.硫酸氢钠溶液与NaOH溶液混合:H++OH-=H2O
C.氢氧化钡溶液和稀硫酸混合:Ba2++OH-+H++SO42-=BaSO4↓+H2O
D.盐酸与石灰石反应制备二氧化碳:CO32-+2H+=CO2↑+H2O