单项选择题

During the 1860s canned food products were ______.

A．unavailable in rural areas.
B．shipped in refrigerator cars.
C．available in limited quantities.
D．a staple part of the American diet.
<上一题 目录 下一题>
热门 试题

单项选择题
The author implies that in the 1920s and 1930s home deliveries of ice ______.
A．decreased in number
B．were on an irregular schedule
C．increased in cost
D．occurred only in the summer
单项选择题
What does the passage mainly discuss
A．Causes of food spoilage.
B．Commercial production of ice.
C．Inventions that led to changes in the American diet.
D．Population movements in the nineteenth century.
相关试题