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举一反三
【单选题】示油膏应抹在（）的位置上。
A.
油罐总高与空高之差
B.
油罐空高与总高之差
C.
油罐总高与下到油罐参照点以下尺带长度之差
D.
下到油罐参照点以下尺带长度与油罐总高之差
【单选题】When men grow older, their hair often begins to fall out. When hair begins to fall out (41) old age, it is impossible to make it (42) again. I know a man who found (43) his hair was beginning to ...
A.
[A] looks
B.
is looking
C.
looked
【单选题】When men grow older, their hair often begins to fall out. When hair begins to fall out (41) old age, it is impossible to make it (42) again. I know a man who found (43) his hair was beginning to ...
A.
[A] once [B] again [C] soon