题目内容

In shipping, great care is needed for _____ goods.

A. portable
B. disposable
C. perishable
D. processabl

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An airport is _____ of several areas and structures that provide services for aircraft and passengers.

A. framed
B. composed
C. made
D. formed

下列化合物的沸点最高的是：

A. 正丁醇
B. 异丁醇
C. 1,3-丁二醇
D. 叔丁醇

下列化合物沸点最高的是：

A. CH3(CH2)4CH3
B. CH3(CH2)4CH2Br
CH3(CH2)4CH2I
D. CH3(CH2)4CH2OH

用卢卡斯试剂鉴别下列化合物，最先出现浑浊的是：

A. 1-丁醇
B. 2-丁醇
C. 2-甲基1-丙醇
D. 2-甲基-2-丙醇