更多"Those countries were once worried t"的相关试题:
[单项选择]Those countries were once worried that they would not have adequate supplies of petroleum.
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. proficient
B. efficient
C. potential
D. sufficient
[单项选择]What those people were doing seemed quite strange ______ me.
A. for
B. at
C. on
D. to
[单项选择]Primary batteries of cells are those that, once ______, are discarded.
A. to be discharged
B. being discharged
C. discharged
D. discharging
[单项选择]Molds were once used only for small amounts of fat, shared with neighbors at cooperative candle clippings or supplied by______candle makers who canvassed large geographical areas.
A. (A) redoubtable
B. (B) impecunious
C. (C) sententious
D. (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
[单项选择]Some deserts were once ______.
A. very good lands
B. covered by ice
C. very cold
D. dry and useless
