Despite many decades of research on the gasification of coal, the data accumulated are not directly _____to environmental questions; thus a new program of research specifically addressing such questions is_____
Blank(i) Blank(ii)
A.analogous
B.transferable
C.applicable
D.contradictory
E.warranted
F.unnecessary
Blank(i) Blank(ii)
A.analogous
B.transferable
C.applicable
D.contradictory
E.warranted
F.unnecessary
重点单词 | 查看全部解释 | |||
unnecessary | [ʌn'nesisəri] | |||
gasification | [,ɡæsifi'keiʃən] |
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