Take a look at the following ads! You may find some useful information you need here!
Guitar lessons
Experienced(有经验的) musician(音乐家) from Australia. Good at teaching kids for 5 years!
For more information, please visit Larry's website: www.music.com.
Taxi driver wanted
Full time or part time. Experience and a good knowledge(知识) of the city are necessary(必要). English is also a must.
Under 45 years old.
Call Mr. White at 5132683.
Apartment(公寓) for sale
Two bedrooms, a kitchen and a bathroom.
Hot water 8:00-18:00.
Beautiful sights out of the windows.
E-mail: sdgt@yahoo.cn.
下列划线字注音全部正确的一项是（ ）
现有下列物质 ①NaCl晶体 ②液态SO2 ③纯醋酸 ④硫酸钡 ⑤铜 ⑥酒精（C2H5OH） ⑦熔化的KCl ⑧NaOH溶液
请用以上物质回答下列问题．（填序号）
（1）属于强电解质且在上述状态下能导电的是____ ；
（2）属于弱电解质的是____ ；
（3）属于非电解质，但溶于水后的水溶液能导电的是____ ．
