“家庭小实验”是利用家庭生活中常用的物质,进行化学实验探究的活动。下列实验不能用“家庭小实验”完成的是①检验自来水中是否含有氯离子 ②做除去水垢的实验 ③鉴别自来水是硬水还是软水 ④比较食盐和白糖在相同温度下的溶解能力 ⑤探究鸡蛋壳的成分中是否含有碳酸盐 ⑥用化学方法区分厨房里的纯碱和食盐
﹣Can you tell me ________?
﹣The day after tomorrow.( )
when we had the school leavers' party
when did we have the school leavers' party
when will we have the school leavers' party
when we will have the school leavers' party
Which of the following is RIGHT?( )
He is used to live there.
She is listening to music at 8 o' clock last night.
I have borrowed the book from the library for two weeks.
Kids under 18 are not allowed to drive.
A true friend is a person______reaches for your hand and touches your heart.( )
whom
whose
who
which
﹣﹣﹣Your hometown is beautiful,and the air is really fresh.
﹣﹣﹣_________________________.( )
Thanks.I'm happy you like it
Don't say that
It's just so﹣so
Don't mention it
We got so wet.We had _________ umbrellas__________ raincoats with us!( )
either;or
both;and
neither;nor
not only;but also