更多"Digital cameras once were luxuries "的相关试题:
[单项选择]Dolphins once were hunted for money because______.
A. they are rare and precious animals
B. valuable oil can be obtained form their head
C. they can produce oil for lubrication
D. they are able to utter sounds worth study
[单项选择]The reporters were most interested in hearing his ___________ views on the situation in the Persian Gulf.
A. private
B. individual
C. specific
D. personal
[单项选择]They were most interested in checking the accuracy of the orbits _________ recorded by modem-day astronomers.
A. as
B. which
C. so
D. that
[单项选择]Once these were solved, the railroad was established as the best means of land transportation.
A. 这些问题一旦得到解决，铁路将成为最佳的陆上运输手段。
B. 一旦解决了问题，这条铁路将是最好的陆上交通工具。
C. 问题一次性解决，我们将建设一条最好的铁路用于陆上交通。
D. 这些问题一旦得到解决，铁路将建成为陆上运输的最好方式。
[单项选择](The wolf) was once the (most widely) distributed (kind of) mammal (on) the world.
[单项选择]Those countries were once worried that they would not have adequate supplies ofpetroleum.
A. effective
B. efficient
C. potential
D. sufficient
[单项选择]The European Union countries were once worried that they would not have supplies of petroleum.（）
A. pure
B. efficient
C. potential
D. sufficient
[单项选择]Molds were once used only for small amounts of fat, shared with neighbors at cooperative candle dippings or supplied by ------- candle makers who canvassed large geographical areas.
A. redoubtable
B. impecunious
C. sententious
D. meretricious
E. (E) itinerant
[单项选择]Cowries shells were once in widespread use as a token of value.
A. a symbol
B. an amount
C. a thing
D. an investment
