题干

下列实验操作中错误的是(   )

A:蒸发操作时,不能使混合物中的水分完全蒸干后才停止加热

B:蒸馏操作时,应使温度计水银球靠近蒸馏烧瓶的支管口处

C:分液操作时,分液漏斗中下层液体从下口放出,上层液体从上口倒出

D:由于碘在酒精中的溶解度大,所以可用酒精把碘水中的碘萃取出来

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D

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                                                                                                            Bonnie's Miracle

    My sister Bonnie and her husband Bob owned their own flower shop.But flowers were becoming1at more and more local stores and through the Internet2their business was not as good as it had been three years earlier when they3it.For about a year,Bonnie and Bob discussed4they should do.They debated selling.They talked about5it into a gift shop or maybe a bookstore.But there just wasn't enough6or people around the area to7the business.

    Feeling helpless,Bonnie began8praying and asking God for answers.She9"God,give me a sign telling us what You want us to do.Call me on the10she said,"and show me what to do."

    Soon the phone rang.A young woman was asking how much they wanted for the11.My husband and I never take the road beside12shop,"she said,"but we were driving by yesterday and saw the 'For Sale' sign in the13.

    Puzzled,Bonnie replied,"There isn't a sign in the window.My husband and I have been discussing whether or not we should sell,but haven't reached a14"But I saw the sign!"the young lady15insisted."My husband saw it too.It was blue and white in the16picture window17the road.

    It18that the sign was the reflection(反射)of a house's poster put up19to the window on the other side of the road.Anyhow,within two weeks,the young lady and her husband20the flower shop at a handsome price.