单项选择题

Which of the following is NOT mentioned as an effect of bad weather

A．Power failure.
B．Illness among workers.
C．Transportation problems.
D．Production delays.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following docs the author use as an example of a product whose price has decreased due to changes in technology
A．Grandfather clocks.
B．Steel.
C．Record players.
D．Minerals.
单项选择题
The author attributes changes in the prices of goods such as handmade chairs and pocketbooks to
A．the fact that these articles are bought by museums
B．the changes in technology that have made such goods cheaper
C．the changes in power supply caused by shrinking oil and mineral reserves
D．the fact that few are being made and so are more expensive to make
相关试题