As the ocean water changes to ice, it keeps the temperature______ falling too far.
A、with
B、into
C、besides
D、from
第1题:
Power station employ ( )water to produce electricity.
A、drop
B、dropping
C、fallen
D、falling
第2题:
A.carries on
B.insists
C.persists
D.keeps
第3题:
第4题:
A.hole
B. mine
C. bottomless chasm
D.ocean
第5题:
在文件夹下WATER\ICE文件夹中建立一个新文件夹MOUNT。
第6题: