将20ml水倒入装有20mL95%的酒精的烧杯中，混合均匀后体积为VmL．再将一块手帕浸入该溶液中，用镊子夹起手帕，点燃手帕上的酒精，当手帕上的火焰即将熄灭时，将手帕晃动几下，火熄灭，手帕完好无损．（

题干

将20ml水倒入装有20mL95%的酒精的烧杯中，混合均匀后体积为VmL．再将一块手帕浸入该溶液中，用镊子夹起手帕，点燃手帕上的酒精，当手帕上的火焰即将熄灭时，将手帕晃动几下，火熄灭，手帕完好无损．

（1）混合后的溶液中溶质是____ ，溶剂是____ ．

（2）混合后的体积VmL____ 40mL（填“＞”或“＜”或“=”），原因是____．

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酒精,水,＜,分子之间有间隔

This summer, Mary, Tom, Alan are going to have an ideal vacation .
The followings are their plans for the coming vacation .

	Mary	Tom	Alan
Where ?	The Great Wall	Spain	Canada
When?	The first week in June	The last day of the May	June, Monday 18^th
Who ?	His parents	His best friends	His cousin
What ?	Going hiking , Going sightseeing, Visiting some famous places in Beijing, Going shopping	Going sightseeing Going shopping Going camping Watching bull(牛)-fight	Spending time in the countryside , Renting videos at night , Going fishing , Going hiking, Sleeping a lot
How long?	About one month	Only two weeks	Until September
Transportation	By plane and by bus	By boat and by plane	By plane and by train