穴 7 窗口
亻 8 等候
皿 4 花盆
________ animals are in danger and there will be ________ space for them if we don’t take any actions.
A.More and more, more and more
B.More and more, less and less
C.Less and less, less and less
D.Less and less, more and more
铝电解生产中常说的“三场”是指()、温度场、气体流动场。