微生物的有益作用表现在哪些方面？

A、影响酶活性

B、影响细胞质膜的流动性

C、影响物质的溶解度

D、不确定

A、固氮作用

B、氨化作用

C、硝化作用

D、反硝化作用

A．短暂强烈的反应

B．明显的生理变化

C．明显的面部表情

D．明显的外在表现

E．稳定而深刻的特点

There ______ in this room.re too much furnitureB．is too mny furnitures C．re too much furniture. There ______ in this room.re too much furniture B．is too mny furnitures C．re too much furnitures D．is too much furniture

A．are too much furniture

B．is too many furnitures

C．are too much furnitures

D．is too much furniture