离子方程式H++OH-===H2O可表示强酸和强碱生成可溶性盐这一类中和反应。下列物质间的反应能用该离子方程式表示的是 ( )①澄清石灰水+稀HCl ②稀HNO3+Cu(OH)2 ③Ba(OH)2溶液+稀HCl ④醋酸+NaOH ⑤稀H2SO4+Ba(OH)2溶液 ⑥盐酸+氨水
﹣The library near our school isn't open in the evening,so we can go there during the day.No problem,I'll go with you tomorrow.( )
day after day
in the daytime
all the time
﹣After leaving school,I think I'll miss my teachers.
﹣Me,too.All the teachers are so friendly.If I have time.I'll come back to see them.( )
nice and kind
good and excited
glad and lucky
﹣Tom, do you know____?
﹣In Beijing.( )
A.where will the 24th Winter Olympics be held
B.where the 24th Winter Olympics will hold
C.where the 24th Winter Olympics will be held
D.where will the 24th Winter Olympics hold
Which of the following is red?( )
A.Fe2O3B.NaCIC.Na2CO3D.NaHCO3
Which word goes with the sound /sneik/?( )
A.snackB.smileC.stateD.snake