题目

（1）有机物A 的系统命名法命名为                                 ，    该烃的一氯代物具有有________种。 （2）有机物B可由葡萄糖发酵得到，也可从酸牛奶中提取。纯净的B为无色黏稠液体，易溶于水。为研究B的组成与结构，进行了如下实验： 实验步骤解释或实验结论 (1)称取B9.0 g，升温使其汽化，测其密度是相同条件下H2的45倍试通过计算填空： (1)B的相对分子质量为         (2)将此9.0 g B在足量纯O2中充分燃烧，并使其产物用所给单词的适当形式填空【1】The woman had a _____________(pleasure) face.【2】Who’s the __________ (win) of the tennis match?【3】Buddy was a born ____________(music).【4】This _____________(tradition) costume is of indigo blue.【5】People at the club think very ___________(high) of him.【6】I held my ____________(breathe) and sank under the water.【7】Only the advertisement of these goals will bring ____________ (last) peace.【8】He practices ____________(play) the piano.【9】If you want to have a ________(last) change in your life, you need to eat healthy food.【10】The reporter will write down the _________(win) names.