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【判断题】
绣制时要 注意松紧适度和套叶均匀。( )A.
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B.
错误
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【简答题】乙烷: 分子式: ,结构简式: 丙烷: 分子式: ,结构简式:
【单选题】听力原文：Who can explain this table to me? (A) Of course, sir, it's $364. (B) At the furniture store, last year. (C) Fiona's the best person to ask. (17)
A.
B.
【简答题】（11·西宁）如图9是三种化合物的结构式及分子式，则按其规律第4个化合物的分子式为 _ ▲ ．
【简答题】请写出乙醇的分子组成和结构 结构式 结构简式 分子式 官能团的名称 比例模型 ______ ______ ______ ______
【单选题】In recent years many cabinetmakers have been winning acclaim as artists. But since furniture must be useful, cabinetmakers must exercise their craft with an eye to the practical utility of their produ...
A.
Some furniture is made to be placed in museums, where it will not be used by anyone.
B.
Some cabinetmakers are more concerned than others with the practical utility of the products they produce.
C.
Cabinetmakers should be more concerned with the practical utility of their products than they currently are.
D.
An object is not an art object if its maker pays attention to the object's practical utility.
E.
Artists are not concerned with the monetary value of their products.
【简答题】把下列化合物的结构式分别改成结构简式和分子式 :
【简答题】某有机化合物，用质谱法测得的数据如下： 试确定该化合物的分子式。
【简答题】写出乙炔的分子式 电子式 结构式 结构简式 实验式
【简答题】分子式为C4H9Br的化合物A,用强碱处理,得到两种分子式为C4H8的构造异构体B及C,其中C具有构型异构体,那么A为________,B为________。(用系统命名法)
【单选题】Grand Opening Celebration! Mill Creek Company 20 Queens Street(Opposite Jacksons Furniture) Salem, OR 23698 356-276-3698 Free meal coupon with purchase of $ 30 or more(Harding Store Only) Grand Openin...
A.
Footwear
B.
Apparel
C.
Books
D.
Food
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